fix: enable persist-credentials in benchmark PR check workflow

Refs: #7656

Author: deleonio

.github/workflows/benchmark.pr-check.yml

@@ -15,7 +15,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
-          persist-credentials: false
+          persist-credentials: true
 
       - name: Install and execute benchmark
         uses: ./.github/actions/benchmark