bump minimum python version to 3.10

.. this is what is used during the build of the adafruit bundle right now.

.github/workflows/build.yml

@@ -15,10 +15,10 @@ jobs:
       env:
         GITHUB_CONTEXT: ${{ toJson(github) }}
       run: echo "$GITHUB_CONTEXT"
-    - name: Set up Python 3.7
+    - name: Set up Python 3.10
       uses: actions/setup-python@v5
       with:
-        python-version: 3.7
+        python-version: 3.10
     - name: Versions
       run: |
         python3 --version

.github/workflows/release.yml

@@ -17,7 +17,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
-        python-version: '3.7'
+        python-version: '3.10'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip

requirements.txt

@@ -3,4 +3,3 @@ requests
 semver
 wheel
 tomli; python_version < "3.11"
-importlib_metadata; python_version < "3.8"

setup.py

@@ -13,7 +13,7 @@
                 'circuitpython_build_tools.scripts'],
       package_data={'circuitpython_build_tools': ['data/mpy-cross-*']},
       zip_safe=False,
-      python_requires='>=3.7',
+      python_requires='>=3.10',
       install_requires=['Click', 'requests', 'semver', 'tomli; python_version < "3.11"'],
       entry_points='''
         [console_scripts]