fix(deps): update module github.com/openmcp-project/controller-utils to v0.23.4

Author: renovate[bot]

go.mod

@@ -5,7 +5,7 @@ go 1.25.1
 godebug default=go1.23
 
 require (
-	github.com/openmcp-project/controller-utils v0.23.1
+	github.com/openmcp-project/controller-utils v0.23.4
 	github.com/openmcp-project/openmcp-operator/api v0.15.1
 	github.com/stretchr/testify v1.11.1
 	k8s.io/api v0.34.1