try to remove cached files

.github/workflows/pr-integration-tests.yml

@@ -23,8 +23,25 @@ jobs:
           repository: grafana/grafana
           ref: ${{ matrix.version }}
           path: grafana
-      - name: Delete huge unnecessary tools folder
-        run: rm -rf /opt/hostedtoolcache
+      - name: Clean runner
+        run: |
+          df -h
+          docker builder prune -f
+          docker system prune -a -f
+          sudo rm -rf "$AGENT_TOOLSDIRECTORY"
+          sudo rm -rf /opt/google/chrome
+          sudo rm -rf /opt/microsoft/msedge
+          sudo rm -rf /opt/microsoft/powershell
+          sudo rm -rf /opt/pipx
+          sudo rm -rf /usr/lib/mono
+          sudo rm -rf /usr/local/julia*
+          sudo rm -rf /usr/local/lib/android
+          sudo rm -rf /usr/local/lib/node_modules
+          sudo rm -rf /usr/local/share/chromium
+          sudo rm -rf /usr/local/share/powershell
+          sudo rm -rf /usr/share/dotnet
+          sudo rm -rf /usr/share/swift
+          df -h
       - uses: dagger/dagger-for-github@v6
         with:
           verb: run