Free up disk space for Android emulator in CI

.github/workflows/ci-cd.yml

@@ -340,6 +340,14 @@ jobs:
     - name: Cythonize
       run: |
         make cythonize
+    - name: Free up disk space for Android emulator
+      if: ${{ matrix.config.platform == 'android' }}
+      uses: BRAINSia/free-disk-space@v2.1.3
+      with:
+        android: false
+        docker-images: false
+        mandb: false
+        large-packages: false
     - name: Enable KVM group perms for Android emulator
       if: ${{ matrix.config.platform == 'android' }}
       # This is normally done by cibuildwheel automatically, when it detects Github Actions. But by unsetting GITHUB_ACTIONS