chore: fix identifier for OCI in mcp release (#5694)

Author: remyleone

.goreleaser.yml

@@ -85,7 +85,7 @@ mcp:
     subfolder: internal/namespaces/mcp
   packages:
     - registry_type: oci
-      identifier: "ghcr.io/scaleway/cli:{{ .Version }}"
+      identifier: "scaleway/cli:{{ .Version }}"
       transport:
         type: stdio