Use dockerhub for action image

GitHub packages registry requires auth for public read.

Author: dflook

.github/workflows/release.yaml

@@ -65,7 +65,7 @@ jobs:
 
               rsync -r $action/ $HOME/$action
 
-              sed -i "s|../image/Dockerfile|docker.pkg.github.com/dflook/terraform-github-actions/action:$RELEASE_TAG|" $HOME/$action/action.yaml
+              sed -i "s|../image/Dockerfile|docker://danielflook/terraform-github-actions:$RELEASE_TAG|" $HOME/$action/action.yaml
 
               major=`echo $RELEASE_TAG | cut -d. -f1`
               minor=`echo $RELEASE_TAG | cut -d. -f2`