ci(workflows): update artifacthub repo file path

- Changed the path for the artifacthub repository metadata file in the CI configuration.
- Ensures correct file usage for repository metadata during the build process.

Author: winromulus

.github/workflows/main.yaml

@@ -157,7 +157,7 @@ jobs:
         run: |
           oras push ghcr.io/${{ github.repository_owner }}/helm-charts/reflector:artifacthub.io \
             --config /dev/null:application/vnd.cncf.artifacthub.config.v1+yaml \
-            .artifacts/helm/artifacthub-repo.yaml:application/vnd.cncf.artifacthub.repository-metadata.layer.v1.yaml
+            .artifacts/artifacthub/artifacthub-repo.yaml:application/vnd.cncf.artifacthub.repository-metadata.layer.v1.yaml
 
       # - name: github - release - set manifest name
       #   run: |