Avoid running out of disk space on GitHub Actions.

Author: saurik

.github/workflows/main.yml

@@ -376,6 +376,8 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
+    - run: sudo rm -rf /opt
+
     - uses: actions/checkout@v4
     - run: env/setup.sh
     - uses: ./.github/actions/submodule