Update actions/checkout digest to 93cb6ef (#845)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/benchmark.yaml

@@ -32,7 +32,7 @@ jobs:
             api.github.com:443
 
       - name: Checkout main branch
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
         with:
           clean: true