CI: Use per-build cache keys

.github/workflows/build.yml

@@ -474,6 +474,7 @@ jobs:
       uses: hendrikmuhs/[email protected]
       with:
         save: ${{ github.event_name == 'push' }}
+        key: ${{ github.workflow }}-${{ github.job }}
         max-size: "200M"
     - name: Configure CPython
       run: ./configure --config-cache --with-address-sanitizer --without-pymalloc

.github/workflows/reusable-tsan.yml

@@ -40,6 +40,7 @@ jobs:
       uses: hendrikmuhs/[email protected]
       with:
         save: ${{ github.event_name == 'push' }}
+        key: ${{ github.workflow }}-${{ github.job }}
         max-size: "200M"
     - name: Configure CPython
       run: ${{ inputs.options }}

.github/workflows/reusable-ubuntu.yml

@@ -43,6 +43,7 @@ jobs:
       uses: hendrikmuhs/[email protected]
       with:
         save: ${{ github.event_name == 'push' }}
+        key: ${{ github.workflow }}-${{ github.job }}
         max-size: "200M"
     - name: Setup directory envs for out-of-tree builds
       run: |

.github/workflows/reusable-wasi.yml

@@ -39,6 +39,7 @@ jobs:
       uses: hendrikmuhs/[email protected]
       with:
         save: ${{ github.event_name == 'push' }}
+        key: ${{ github.workflow }}-${{ github.job }}
         max-size: "200M"
     - name: "Add ccache to PATH"
       run: echo "PATH=/usr/lib/ccache:$PATH" >> $GITHUB_ENV