ci: free disk space before setting up the env

Author: vertex451

.github/workflows/tests.yaml

@@ -45,6 +45,11 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
+      - name: Free disk space
+        run: |
+          sudo rm -rf /usr/share/dotnet
+          sudo rm -rf /usr/local/lib/android
+          sudo rm -rf /opt/ghc
       - name: Setup environment
         uses: ./.github/actions/setup-ubuntu
       - run: make bins