Merge pull request #12846 from hashicorp/update-metadata-action

change action to pull v1 instead of main

.changelog/12846.txt

@@ -0,0 +1,3 @@
+```release-note:note
+ci: change action to pull v1 instead of main
+```

.github/workflows/build.yml

@@ -49,7 +49,7 @@ jobs:
         uses: actions/checkout@v2
       - name: Generate metadata file
         id: generate-metadata-file
-        uses: hashicorp/actions-generate-metadata@main
+        uses: hashicorp/actions-generate-metadata@v1
         with:
           version: ${{ needs.get-product-version.outputs.product-version }}
           product: ${{ env.PKG_NAME }}