fix build latest (#236)

- Fix branch tagging and use :dev for main and :latest for tagged
release
- Fix latest tag check for release

.github/workflows/build-and-publish-docker-image.yml

@@ -79,7 +79,7 @@ jobs:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-tor
           tags: |
             type=raw,value=dev,enable={{is_default_branch}}
-            type=raw,value=latest,enable={{is_tag}}
+            type=raw,value=latest,enable=${{ startsWith(github.ref, 'refs/tags/') }}
             type=semver,pattern={{version}}
             type=semver,pattern={{major}}.{{minor}}
             type=sha
@@ -105,4 +105,3 @@ jobs:
           subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-tor
           subject-digest: ${{ steps.push-tor.outputs.digest }}
           push-to-registry: true
-