Add Android wheel building support to cibuildwheel workflow

Extends existing cibuildwheel matrix to include Android platform
for building Python wheels that can be distributed on Android.

.github/workflows/python-distributions.yml

@@ -84,6 +84,28 @@ jobs:
           name: artifact-${{ matrix.build-identifier }}
           path: ./wheelhouse/*.whl
 
+  build-android-wheels:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          cache: pip
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install setuptools wheel cibuildwheel setuptools-rust
+      - name: Build Android wheels
+        run: python -m cibuildwheel --output-dir wheelhouse
+        env:
+          CIBW_PLATFORM: android
+          CIBW_ARCHS_ANDROID: arm64_v8a x86_64
+      - name: Upload Android wheels
+        uses: actions/upload-artifact@v4
+        with:
+          name: artifact-android
+          path: ./wheelhouse/*.whl
+
   build-pure-wheels:
     runs-on: ubuntu-latest
     steps:
@@ -146,6 +168,7 @@ jobs:
     runs-on: ubuntu-latest
     needs:
       - build-wheels
+      - build-android-wheels
       - build-sdist
       - build-pure-wheels
     if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/dulwich-')