💚 set git account's default identity

.github/workflows/agent.yml

@@ -20,6 +20,8 @@ jobs:
         uses: actions/setup-go@v2
       - run: |
           go mod vendor
+          git config --global user.email "you@example.com"
+          git config --global user.name "Your Name"
           git add .
           git commit -a -m "vendor"
       - name: Set up Go 1.10.8