Free github runner disk space to fix CI (#556)

Removes dotnet and Android libraries.

Author: zifeitong

.github/workflows/tests.yml

@@ -36,6 +36,7 @@ jobs:
       - uses: actions/checkout@v4
       - if: startsWith(matrix.os, 'ubuntu')
         run: tests/scripts/ubuntu_install_libtinfo.sh
+      - run: sudo rm -rf /usr/share/dotnet /usr/local/lib/android
       - name: Test
         env:
           USE_BAZEL_VERSION: ${{ matrix.bazel_version }}
@@ -87,6 +88,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - run: sudo rm -rf /usr/share/dotnet /usr/local/lib/android
       - name: Test
         env:
           USE_BZLMOD: ${{ matrix.bzlmod }}