chore: Allow mirroring of dxflrs/garage

We want to send it do a different project, so for now there is an additional input. Ideally we wouldn't have to keep track of these mappings.

Author: NickLarsenNZ

.github/workflows/mirror.yaml

@@ -15,11 +15,19 @@ on:
           - registry.k8s.io/sig-storage/csi-provisioner
           - registry.k8s.io/git-sync/git-sync
           - registry-1.docker.io/library/golang
+          - registry-1.docker.io/dxflrs/garage
       image-index-manifest-tag:
         description: |
           The image index manifest tag, like 1.0.14 or v1.0.14
         type: string
         required: true
+      # TODO (@NickLarsenNZ): Combine this with the source image above
+      # So that we don't have to remember which project for which mirrored image
+      destination-project:
+        description: |
+          Destination project in Harbor (eg: sdp, stackable)
+        type: string
+        default: sdp
 
 permissions: {}
 
@@ -65,7 +73,7 @@ jobs:
           image-registry-uri: oci.stackable.tech
           image-registry-username: robot$sdp+github-action-build
           image-registry-password: ${{ secrets.HARBOR_ROBOT_SDP_GITHUB_ACTION_BUILD_SECRET }}
-          image-repository: ${{ format('sdp/{0}', env.IMAGE_REPOSITORY) }}
+          image-repository: ${{ format('{0}/{1}', inputs.destination-project, env.IMAGE_REPOSITORY) }}
           image-manifest-tag: ${{ format('{0}-{1}', inputs.image-index-manifest-tag, matrix.arch) }}
           source-image-uri: ${{ format('{0}:{1}', inputs.image-repository-uri, inputs.image-index-manifest-tag) }}
 
@@ -93,7 +101,7 @@ jobs:
           image-registry-uri: oci.stackable.tech
           image-registry-username: robot$sdp+github-action-build
           image-registry-password: ${{ secrets.HARBOR_ROBOT_SDP_GITHUB_ACTION_BUILD_SECRET }}
-          image-repository: ${{ format('sdp/{0}', env.IMAGE_REPOSITORY) }}
+          image-repository: ${{ format('{0}/{1}', inputs.destination-project, env.IMAGE_REPOSITORY) }}
           image-index-manifest-tag: ${{ inputs.image-index-manifest-tag }}
 
   # NOTE (@Techassi) It is currently not possible to use our own action here, because the inputs