Allow having branch and tag with the same name

When creating a patch release from a branch called `v0.63.1`, the new
tag would get the same name and pushing it would fail with `error: src
refspec v0.63.1 matches more than one`.

.github/workflows/release.yml

@@ -151,7 +151,7 @@ jobs:
           git config user.name "github-actions[bot]"
           git config user.email "github-actions[bot]@users.noreply.github.com"
           git tag "$NEW_TAG" -a -m "Release $NEW_TAG"
-          git push origin "$NEW_TAG"
+          git push origin "refs/tags/$NEW_TAG"
 
       - name: Setup Go
         uses: actions/setup-go@v6