Update GH workflows (Go)

Author: Vic Shóstak

.github/workflows/golang.yml

@@ -32,4 +32,4 @@ jobs:
         run: go run github.com/go-critic/go-critic/cmd/gocritic@latest check -enableAll ./...
 
       - name: Run Go test with coverage report
-        run: go test -race ./...
+        run: go test -race -cover ./...