ga: Use python 3.10 on arm64 macos

there is no arm64 python 3.8 cache for these runners, leading to a
benign but ugly warning.

.github/workflows/build-and-test.yml

@@ -93,25 +93,29 @@ jobs:
         config:
           - name: Linux
             os: ubuntu-20.04
+            python-version: '3.8'
             packages: python3-zmq qttools5-dev qtbase5-dev qttools5-dev-tools libqt5svg5-dev libqt5charts5-dev libevent-dev bsdmainutils libboost-system-dev libboost-filesystem-dev libboost-chrono-dev libboost-test-dev libboost-thread-dev libdb5.3++-dev libminiupnpc-dev libzmq3-dev libqrencode-dev libgmp-dev libsodium-dev cargo
             cc: gcc
             cxx: g++
 
           - name: Linux-latest
             os: ubuntu-latest
+            python-version: '3.8'
             packages: python3-zmq qttools5-dev qtbase5-dev qttools5-dev-tools libqt5svg5-dev libqt5charts5-dev libevent-dev bsdmainutils libboost-system-dev libboost-filesystem-dev libboost-chrono-dev libboost-test-dev libboost-thread-dev libdb5.3++-dev libminiupnpc-dev libzmq3-dev libqrencode-dev libgmp-dev libsodium-dev cargo
             cc: gcc
             cxx: g++
 
           - name: macOS
             os: macos-12
+            python-version: '3.8'
             packages: llvm@13 autoconf automake berkeley-db@4 libtool [email protected] miniupnpc libnatpmp pkg-config qt@5 zmq libevent qrencode gmp libsodium rust
             boost_root: true
             cc: $(brew --prefix llvm@13)/bin/clang
             cxx: $(brew --prefix llvm@13)/bin/clang++
 
           - name: macOS-latest
             os: macos-14
+            python-version: '3.10'
             packages: llvm@14 autoconf automake berkeley-db@4 libtool [email protected] miniupnpc libnatpmp pkg-config qt@5 zmq libevent qrencode gmp libsodium rust
             boost_root: true
             cc: $(brew --prefix llvm@14)/bin/clang
@@ -124,7 +128,7 @@ jobs:
       - name: Initialize Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.8'
+          python-version: ${{ matrix.config.python-version }}
 
       - name: Setup Environment
         run: |
@@ -146,6 +150,7 @@ jobs:
         run: |
           CC=${{ matrix.config.cc }}
           CXX=${{ matrix.config.cxx }}
+          PYTHON=$pythonLocation/bin/python${{ matrix.config.python-version }}
           if [[ ${{ matrix.config.os }} = macos* ]]; then
             if [ "${{ matrix.config.no_qt }}" = "true" ]; then
               export NO_QT=1
@@ -163,6 +168,7 @@ jobs:
           fi
           export CC
           export CXX
+          export PYTHON
           mkdir -p ${{ github.workspace }}/cmake-build-debug && cd ${{ github.workspace }}/cmake-build-debug
           cmake -DCMAKE_BUILD_TYPE=Debug -G "Unix Makefiles" ${{ github.workspace }}
 
@@ -194,6 +200,7 @@ jobs:
           - name: x64-Linux
             id: Linux-x86_64-nodepends
             os: ubuntu-20.04
+            python-version: '3.8'
             packages: python3-zmq qtbase5-dev qttools5-dev-tools libqt5svg5-dev libqt5charts5-dev libevent-dev bsdmainutils libboost-system-dev libboost-filesystem-dev libboost-chrono-dev libboost-test-dev libboost-thread-dev libdb5.3++-dev libminiupnpc-dev libnatpmp-dev libzmq3-dev libqrencode-dev libgmp-dev libsodium-dev cargo
             unit_tests: true
             functional_tests: true
@@ -203,6 +210,7 @@ jobs:
           - name: x64-Linux-latest
             id: Linux-x86_64-nodepends-latest
             os: ubuntu-latest
+            python-version: '3.8'
             packages: python3-zmq qtbase5-dev qttools5-dev-tools libqt5svg5-dev libqt5charts5-dev libevent-dev bsdmainutils libboost-system-dev libboost-filesystem-dev libboost-chrono-dev libboost-test-dev libboost-thread-dev libdb5.3++-dev libminiupnpc-dev libnatpmp-dev libzmq3-dev libqrencode-dev libgmp-dev libsodium-dev cargo
             unit_tests: true
             functional_tests: true
@@ -212,7 +220,8 @@ jobs:
           - name: x64-macOS
             id: macOS-nodepends
             os: macos-12
-            packages: autoconf automake ccache berkeley-db@4 libtool [email protected] miniupnpc libnatpmp pkg-config libevent qrencode gmp libsodium rust librsvg
+            python-version: '3.8'
+            packages: autoconf automake ccache berkeley-db@4 libtool [email protected] miniupnpc libnatpmp pkg-config qt@5 zmq libevent qrencode gmp libsodium rust librsvg
             unit_tests: true
             functional_tests: true
             cc: clang
@@ -222,6 +231,7 @@ jobs:
           - name: arm64-macOS-latest
             id: macOS-nodepends-latest
             os: macos-14
+            python-version: '3.10'
             packages: autoconf automake ccache berkeley-db@4 libtool [email protected] miniupnpc libnatpmp pkg-config qt@5 zmq libevent qrencode gmp libsodium rust librsvg
             unit_tests: true
             functional_tests: true
@@ -237,7 +247,7 @@ jobs:
       - name: Initialize Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.8'
+          python-version: ${{ matrix.config.python-version }}
 
       - name: Setup Environment
         run: |
@@ -262,6 +272,8 @@ jobs:
           # Add llvm-symbolizer directory to PATH. Needed to get symbolized stack traces from the sanitizers.
           PATH=$PATH:/usr/lib/llvm-6.0/bin/
           export PATH
+          PYTHON=$pythonLocation/bin/python${{ matrix.config.python-version }}
+          export PYTHON
 
           if [[ ${{ matrix.config.os }} = macos* ]]; then
             CC=${{ matrix.config.cc }}
@@ -352,28 +364,32 @@ jobs:
           - name: x64-Linux
             id: Linux-x86_64-nodepends-tests
             os: ubuntu-20.04
+            python-version: '3.8'
             packages: python3-zmq libevent-dev bsdmainutils libboost-system-dev libboost-filesystem-dev libboost-chrono-dev libboost-test-dev libboost-thread-dev libdb5.3++-dev libminiupnpc-dev libnatpmp-dev libzmq3-dev libqrencode-dev libgmp-dev libsodium-dev
 
           - name: x64-Linux-latest
             id: Linux-x86_64-nodepends-latest-tests
             os: ubuntu-latest
+            python-version: '3.8'
             packages: python3-zmq libevent-dev bsdmainutils libboost-system-dev libboost-filesystem-dev libboost-chrono-dev libboost-test-dev libboost-thread-dev libdb5.3++-dev libminiupnpc-dev libnatpmp-dev libzmq3-dev libqrencode-dev libgmp-dev libsodium-dev
 
           - name: x64-macOS
             id: macOS-nodepends
             os: macos-12
+            python-version: '3.8'
             packages: berkeley-db@4 [email protected] miniupnpc libnatpmp pkg-config zmq libevent qrencode gmp libsodium
 
           - name: arm64-macOS-latest
             id: macOS-nodepends-latest
             os: macos-14
+            python-version: '3.10'
             packages: berkeley-db@4 [email protected] miniupnpc libnatpmp pkg-config zmq libevent qrencode gmp libsodium
 
     steps:
       - name: Initialize Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.8'
+          python-version: ${{ matrix.config.python-version }}
 
       - name: Setup Environment
         run: |