fix: need to get latest BCR before metadata

Author: alexeagle

.github/workflows/fetch_repo_metadata.yml

@@ -13,6 +13,9 @@ jobs:
         - uses: actions/checkout@v5
           with:
             submodules: true
+        - name: Checkout latest commit of BCR submodule
+          working-directory: data/bazel-central-registry
+          run: git checkout origin/main
         - name: Fetch repo metadata
           id: fetch_repo_metadata
           env:
@@ -23,4 +26,4 @@ jobs:
           uses: actions/upload-artifact@v4
           with:
             name: github_metadata
-            path: ${{ steps.fetch_repo_metadata.outputs.metadata }}
+            path: ${{ steps.fetch_repo_metadata.outputs.metadata }}