chore: update go in github action

.github/workflows/go.yaml

@@ -1,6 +1,12 @@
 name: Go
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
 
 jobs:
   test:
@@ -10,21 +16,20 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-go@v2
         with:
-          go-version: 1.16
-      - run: go version
+          go-version: "~1.16"
       - run: go test -race ./...
-  build-gotip:
-    name: Build using gotip
-    runs-on: ubuntu-latest
+  build:
+    name: Build
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-go@v2
         with:
-          go-version: 1.16
-      - run: go get golang.org/dl/gotip
-      - run: gotip download
-      - run: gotip version
-      - run: gotip build main.go
+          go-version: "~1.16"
+      - run: go build
   lint:
     name: Lint
     runs-on: ubuntu-latest
@@ -32,4 +37,4 @@ jobs:
       - uses: actions/checkout@v2
       - uses: golangci/golangci-lint-action@v2
         with:
-          version: v1.37
+          version: latest