WIP: CONSOLE-5209: Promote IngressComponentRouteLabels to Default

Add inDefault() to the IngressComponentRouteLabels feature gate to
promote it from TechPreview/DevPreview to GA.

This is a WIP PR for running /test verify-feature-promotion to
validate that all promotion requirements are met.

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

Author: jhadvig

features/features.go

@@ -671,7 +671,7 @@ var (
 						contactPerson("leoli").
 						productScope(ocpSpecific).
 						enhancementPR("https://github.com/openshift/enhancements/pull/2033").
-						enable(inDevPreviewNoUpgrade(), inTechPreviewNoUpgrade()).
+						enable(inDevPreviewNoUpgrade(), inTechPreviewNoUpgrade(), inDefault()).
 						mustRegister()
 
 	FeatureGateIngressControllerMultipleHAProxyVersions = newFeatureGate("IngressControllerMultipleHAProxyVersions").