Bump setup-go github action

Author: FawazFarid

.github/workflows/test.yml

@@ -35,7 +35,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Install Go ${{ matrix.go }}
-        uses: actions/setup-go@v2-beta
+        uses: actions/setup-go@v2.1.3
         with:
           go-version: ${{ matrix.go_version }}
       - name: Checkout code