Update actions/setup-go action to v4

Author: renovate[bot]

.github/workflows/codetests.yml

@@ -22,7 +22,7 @@ jobs:
     name: golangci-lint
     runs-on: macos-latest
     steps:
-      - uses: actions/setup-go@v3
+      - uses: actions/setup-go@v4
         with:
           go-version: 1.19
       - uses: actions/checkout@v3