prune unused docker images for windows builds

Author: roxanneskelly

.github/workflows/release.yml

@@ -34,7 +34,7 @@ jobs:
         Get-PSDrive
         # Cache 済み Docker Image の削除
         # Clean unused docker images
-        docker rmi $(docker images -q -a)
+        docker image prune -a -f
         # Android SDK の削除
         # Delete Android SDK
         Remove-Item -Recurse -Force $Env:ANDROID_HOME -ErrorAction Ignore