Update module github.com/giantswarm/clustertest to v0.19.0 (#13)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

go.mod

@@ -5,7 +5,7 @@ go 1.21
 require (
 	dario.cat/mergo v1.0.0
 	github.com/giantswarm/apiextensions-application v0.6.1
-	github.com/giantswarm/clustertest v0.18.0
+	github.com/giantswarm/clustertest v0.19.0
 	github.com/onsi/gomega v1.27.2
 	github.com/spf13/cobra v1.8.0
 	sigs.k8s.io/controller-runtime v0.14.5

go.sum

@@ -213,8 +213,8 @@ github.com/fsnotify/fsnotify v1.6.0/go.mod h1:sl3t1tCWJFWoRz9R8WJCbQihKKwmorjAbS
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/giantswarm/apiextensions-application v0.6.1 h1:X1uzWBSrF4QsyyzaV46QkPJa+rXKBr9e0p+6nd8aw3A=
 github.com/giantswarm/apiextensions-application v0.6.1/go.mod h1:O6mg+EdXC9CyTLgi0d3rf6QTXrQX/79iw4kjMJRinig=
-github.com/giantswarm/clustertest v0.18.0 h1:OeiRuM3aOSzH/LzoS0FvsF8aGggc7BuRQOTB6wa+ToM=
-github.com/giantswarm/clustertest v0.18.0/go.mod h1:/lKOF0DBZs9ln8CXiq/gqIQL/rUBGXDiWHb+Q0QNlMk=
+github.com/giantswarm/clustertest v0.19.0 h1:pogTFxyW8lgHu3aiH0WToiWK07JJGBdISMO/jpdANHM=
+github.com/giantswarm/clustertest v0.19.0/go.mod h1:/DpW/3J5Y1DhOqC9Cy7ETNVMuQcdKUlSWv8ldgOQXBU=
 github.com/giantswarm/k8smetadata v0.23.0 h1:iGwa1Nb45Sfcd5wqJEKBvxY1u5yXFg3Sq5Fw62nyRGA=
 github.com/giantswarm/k8smetadata v0.23.0/go.mod h1:QiQAyaZnwco1U0lENLF0Kp4bSN4dIPwIlHWEvUo3ES8=
 github.com/giantswarm/kubectl-gs/v2 v2.45.0 h1:4g1Fnpkf4gjxiZtFPCEIfEnEWVIpoTXj1yij4hxaOok=