Remove deprecated actions commands (#22)

Author: bluekeyes

.github/workflows/go.yml

@@ -9,27 +9,18 @@ jobs:
     name: Verify
     runs-on: ubuntu-latest
     steps:
-      - name: Set up Go 1.13
-        uses: actions/setup-go@v1
+      - name: Set up Go 1.16
+        uses: actions/setup-go@v2
         with:
-          go-version: 1.13
-        id: go
-
-      - name: Set up environment
-        run: |
-          # https://github.com/actions/setup-go/issues/14
-          echo "::set-env name=GOPATH::$(go env GOPATH)"
-          echo "::add-path::$(go env GOPATH)/bin"
-
-      - name: Install golangci-lint
-        run: curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.23.1
-
+          go-version: 1.16
+          
       - name: Check out code into the Go module directory
-        uses: actions/checkout@v1
+        uses: actions/checkout@v2
 
       - name: Lint
-        run: golangci-lint run
+        uses: golangci/golangci-lint-action@v2
+        with:
+          version: v1.28
 
       - name: Test
         run: go test -v ./...
-