Update release.yml

Signed-off-by: Jan Kowalleck <jan.kowalleck@gmail.com>

Author: jkowalleck

.github/workflows/release.yml

@@ -190,8 +190,8 @@ jobs:
       - name: Build Container Image (${{ env.VERSION }})
         run: >
           docker build -f Dockerfile
-          --label 'org.opencontainers.image.source=${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}'
-          --label 'org.opencontainers.image.revision=${GITHUB_SHA}'
+          --label "org.opencontainers.image.source=${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}"
+          --label "org.opencontainers.image.revision=${GITHUB_SHA}"
           --label 'org.opencontainers.image.version=$VERSION'
           --build-arg "VERSION=$VERSION"
           -t "$DOCKERHUB_REPO:$VERSION"