Bump actions/setup-go from 2 to 3

Author: adrg

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
         go: ['1.16']
     steps:
     - name: Setup
-      uses: actions/setup-go@v2
+      uses: actions/setup-go@v3
       with:
         go-version: ${{ matrix.go }}