Attempt to delete everything to restore some disk space

Author: shs96c

.github/workflows/presubmit.yml

@@ -11,6 +11,8 @@ jobs:
       - uses: actions/checkout@v3
       - name: Check dependencies and format
         run: scripts/update-dependencies && scripts/format && { [[ -z "$(git status --porcelain)" ]] || exit 1; }
+      - name: Purge all the data
+        run: bazel clean --expunge --async; rm -rf /home/runner/.cache/bazel-repo
       - name: bazel test //...
         env:
           # Bazelisk will download bazel to here, ensure it is cached within tests.