Add checkout for Go CI

.github/workflows/go.yml

@@ -3,7 +3,7 @@ name: ci
 'on':
   - push
   - pull_request
-  
+
 jobs:
 
   build:
@@ -20,20 +20,17 @@ jobs:
       run: |
            make build
 
-          
+
   verify:
     runs-on: ubuntu-latest
     steps:
-      - name: Set up go
-        uses: actions/setup-go@v2
-        with:
-          go-version: 1.17
-
-      - name: Set up Go
-        uses: actions/setup-go@v2
-        with:
-          go-version: 1.17
-
-      - name: Run test
-        run: |
+    - uses: actions/checkout@v2
+
+    - name: Set up Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.17
+
+    - name: Run test
+      run: |
            make test