Github actions/setup-go@v4

Author: mdwhatcott

.github/workflows/build.yml

@@ -10,7 +10,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - uses: actions/setup-go@v2
+    - uses: actions/setup-go@v4
+      with:
+        go-version: 'stable'
     - uses: actions/cache@v1
       with:
         path: ~/go/pkg/mod