check latest tag

Author: cbaker6

.github/workflows/docker-publish.yml

@@ -50,10 +50,8 @@ jobs:
         uses: docker/metadata-action@v3
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
-          tags: |
-            type=ref,event=branch
-            type=ref,event=pr
-            type=semver,pattern={{version}}
+          flavor: |
+            latest=true
 
       # Build and push Docker image with Buildx (don't push on PR)
       # https://github.com/docker/build-push-action