Add automatic push

.github/workflows/benchmark.yml

@@ -9,7 +9,22 @@ jobs:
         go-version: 1.15.x
     - name: Checkout code
       uses: actions/checkout@v2
+    - name: Checkout staticcheck
+      uses: actions/checkout@v2
+      with:
+        repository: dominikh/go-tools
+        ref: 8040d28b8db8066b19e5b7b89dcb7d59373a203c
+        path: 'go-tools'
     - name: Test
       run: |
         go version
-        go run scripts/benchmark/benchmark.go $GITHUB_SHA scripts/benchmark/BENCHMARK.template.md BENCHMARK.md
+        go run scripts/benchmark/benchmark.go $GITHUB_SHA scripts/benchmark/BENCHMARK.template.md BENCHMARK.md
+    - name: Commit files
+      run: |
+        git config --local user.email "actions@github.com"
+        git config --local user.name "Automatic benchmark"
+        git commit -m "Update BENCHMARK.md" BENCHMARK.md
+    - name: Push changes
+      uses: ad-m/github-push-action@master
+      with:
+        github_token: ${{ secrets.GITHUB_TOKEN }}