Fix gofmt formatting in render_test.go

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: sanchezl

pkg/cmd/render/render_test.go

@@ -1034,7 +1034,7 @@ func Test_preferIPv6(t *testing.T) {
 
 func Test_getFeatureGatesFromInstallConfig(t *testing.T) {
 	testCases := map[string]struct {
-		installConfig        string
+		installConfig         string
 		expectConfigurablePKI bool
 	}{
 		"featureSet TechPreviewNoUpgrade enables ConfigurablePKI": {