change workspace permission

Author: haroldsphinx

.github/workflows/check.yml

@@ -27,7 +27,9 @@ jobs:
     steps:
       - name: Clean up
         continue-on-error: true
-        run: docker system prune --force --all --volumes
+        run: |
+          sudo chown -R $USER:$USER $GITHUB_WORKSPACE
+          docker system prune --force --all --volumes
 
       - uses: actions/checkout@v2
       - name: Compile Check with WASM