update ci

actions/checkout#1014

Author: akihironitta

.github/workflows/benchmark.yml

@@ -60,8 +60,8 @@ jobs:
 
     - name: Configure Git
       run: |
-        git config --global user.name "${{ github.actor }}"
-        git config --global user.email "${{ github.actor }}@users.noreply.github.com"
+        git config --local user.name "${{ github.actor }}"
+        git config --local user.email "${{ github.actor }}@users.noreply.github.com"
         git config --list
 
     - name: Run benchmarks on 2.3.0 and master