fix: checkout ref to ensure tag is there

Based on actions/checkout#1467 (comment)

Signed-off-by: jmeridth <[email protected]>

Author: jmeridth

Diff for: .github/workflows/major-version-updater.yml

@@ -20,6 +20,7 @@ jobs:
         uses: actions/[email protected]
         with:
           fetch-tags: true
+          ref: ${ TAG_NAME }
       - name: version
         id: version
         run: |