Update ci.yml

Author: kaihiroi

.github/workflows/ci.yml

@@ -52,6 +52,10 @@ jobs:
         uses: foundry-rs/foundry-toolchain@v1
         with:
           version: nightly
+      - name: Setup Git user
+        run: |
+          git config --global user.email "github-actions@example.com"
+          git config --global user.name "GitHub Actions"
       - name: Run forge install
         run: |
           mkdir /tmp/install-with-template-test