chore(deps): update dependency kubernetes/kubectl to v1.30.0

Author: renovate[bot]

k8s-tools/Dockerfile

@@ -50,7 +50,7 @@ RUN echo "Computed sha256sum: $(sha256sum ${KAPP_FILENAME})" \
     && mv kapp-linux-amd64 kapp
 
 # renovate: datasource=github-tags depName=kubernetes/kubectl
-ENV KUBECTL_VERSION 1.26.15
+ENV KUBECTL_VERSION 1.30.0
 ENV KUBECTL_SUM b75f359e6fad3cdbf05a0ee9d5872c43383683bb8527a9e078bb5b8a44350a41
 ENV KUBECTL_FILENAME kubectl
 ADD https://storage.googleapis.com/kubernetes-release/release/v${KUBECTL_VERSION}/bin/linux/amd64/kubectl .

k8s-tools/k8s-tools_spec.rb

@@ -7,7 +7,7 @@
 CREDHUB_CLI_VERSION='2.9.24' # renovate: datasource=github-releases depName=cloudfoundry/credhub-cli
 KUSTOMIZE_VERSION="5.0.3" # renovate: datasource=github-releases depName=kubernetes-sigs/kustomize
 KAPP_VERSION="0.62.0" # renovate: datasource=github-releases depName=k14s/kapp
-KUBECTL_VERSION="1.26.15" # renovate: datasource=github-tags depName=kubernetes/kubectl
+KUBECTL_VERSION="1.30.0" # renovate: datasource=github-tags depName=kubernetes/kubectl
 HELM_VERSION="3.14.4" # renovate: datasource=github-releases depName=helm/helm
 KUTTL_VERSION="0.16.0" # renovate: datasource=github-releases depName=kudobuilder/kuttl
 RUBY_VERSION = "3.1"