CI/CD - Free disk space in GitHub Action VHD (#481)

Free more disk space in GitHub Action VHD.

.github/workflows/build-image.yml

@@ -58,10 +58,11 @@ jobs:
       - name: Free disk space
         run: |
           mkdir /tmp/emptydir
-          for dir in /usr/share/dotnet /usr/local/lib/android /opt/ghc; do
+          for dir in /usr/share/swift /usr/share/dotnet /usr/local/share/powershell /usr/local/share/chromium /usr/local/lib/android /opt/ghc; do
             sudo rsync -a --delete /tmp/emptydir/ ${dir}
           done
           sudo apt-get clean
+          sudo docker rmi $(sudo docker images --format "{{.Repository}}:{{.Tag}}" --filter=reference="node" --filter=reference="buildpack-deps")
           df -h
       - name: Prepare metadata
         id: metadata