Use shallow checkout for multinode benchmark

Author: cquil11

.github/workflows/benchmark-multinode-tmpl.yml

@@ -168,7 +168,7 @@ jobs:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           token: ${{ secrets.REPO_PAT }}
-          fetch-depth: 0
+          fetch-depth: 1
           ref: ${{ inputs.ref || github.ref }}
           clean: false