build: Fixup Docker changes from previous (#9223)

.github/workflows/build-infra-dockers.yaml

@@ -51,5 +51,5 @@ jobs:
           platforms: linux/amd64,linux/arm64
           push: true
           tags: syncthing/${{ matrix.pkg }}:latest,syncthing/${{ matrix.pkg }}:${{ github.sha }}
-          outputs: |
-            annotation.org.opencontainers.image.revision="${{ github.sha }}"
+          labels: |
+            org.opencontainers.image.revision=${{ github.sha }}

.github/workflows/build-syncthing.yaml

@@ -818,9 +818,9 @@ jobs:
           platforms: linux/amd64,linux/arm64,linux/arm/7
           push: ${{ env.DOCKER_PUSH == 'true' }}
           tags: ${{ env.DOCKER_TAGS }}
-          outputs: |
-            annotation.org.opencontainers.image.version="${{ env.VERSION }}"
-            annotation.org.opencontainers.image.revision="${{ github.sha }}"
+          labels: |
+            org.opencontainers.image.version=${{ env.VERSION }}
+            org.opencontainers.image.revision=${{ github.sha }}
 
   #
   # Check for known vulnerabilities in Go dependencies