Merged in feature/lint (pull request #87)

Basic Lint Checks

* basic

internal/serviceconfig/observability/prometheus/prometheus_test.go

@@ -27,7 +27,12 @@ func GetFreePortForTesting() (int, error) {
 	defer l.Close()
 
 	// Get the port that was assigned by the OS
-	return l.Addr().(*net.TCPAddr).Port, nil
+	addr, ok := l.Addr().(*net.TCPAddr)
+	if !ok {
+		return 0, fmt.Errorf("failed to parse TCP address")
+	}
+
+	return addr.Port, nil
 }
 
 func TestMetricsIntegration(t *testing.T) {