Added manymine.enable label to image (#157)

Author: itzg

.github/workflows/ci.yml

@@ -52,7 +52,9 @@ jobs:
           context: .
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
+          labels: |
+            ${{ steps.meta.outputs.labels }}
+            manymine.enable=true
           cache-from: type=local,src=/tmp/.buildx-cache
           cache-to: type=local,dest=/tmp/.buildx-cache-new
       - # Temp fix