feat: add resource context to validation failure logs (#3323)

Validation failures previously logged only the error message, making it
difficult to identify which specific resource failed. The log now
includes the name, namespace, and kind fields, providing necessary
context for troubleshooting.

Issue tektoncd/9358

Author: twoGiants

webhook/resourcesemantics/validation/validation_admit.go

@@ -188,7 +188,11 @@ func validate(ctx context.Context, resource resourcesemantics.GenericCRD, req *a
 	}
 
 	if result := resource.Validate(ctx); result != nil {
-		logger.Infow("Failed the resource specific validation", zap.Error(result))
+		logger.Infow("Failed the resource specific validation",
+			zap.String("name", req.Name),
+			zap.String("namespace", req.Namespace),
+			zap.String("kind", req.Kind.Kind),
+			zap.Error(result))
 		// While we have the strong typing of apis.FieldError, partition the
 		// returned error into the error-level diagnostics and warning-level
 		// diagnostics, so that the admission response can embed things into