chore(ci): fix upload of benchmark results on master

Author: TomAFrench

.github/workflows/test-js-packages.yml

@@ -676,7 +676,7 @@ jobs:
 
       - name: Store benchmark result
         # We don't run this step on external PRs
-        if: github.event.pull_request.head.repo.full_name == github.repository
+        if: github.ref == 'refs/heads/master' || github.event.pull_request.head.repo.full_name == github.repository
         uses: benchmark-action/github-action-benchmark@4de1bed97a47495fc4c5404952da0499e31f5c29
         with:
           name: "Test Suite Duration"