Upgrade to newer Kubernetes image

This new image fixes the bug described in rancher#1298

Signed-off-by: manuel <mbuil@suse.com>

Dockerfile

@@ -100,7 +100,7 @@ RUN CHART_VERSION="v1.0.007"                  CHART_FILE=/charts/rke2-calico-crd
 RUN CHART_VERSION="1.10.101-build2021022304"  CHART_FILE=/charts/rke2-coredns.yaml        CHART_BOOTSTRAP=true   /charts/build-chart.sh
 RUN CHART_VERSION="3.34.001"                  CHART_FILE=/charts/rke2-ingress-nginx.yaml  CHART_BOOTSTRAP=false  /charts/build-chart.sh
 # override the CHART_URL directly instead of constructing. See https://github.com/rancher/rancher/issues/33269
-RUN CHART_URL="https://rke2-charts.rancher.io/assets/rke2-kube-proxy-1.21/rke2-kube-proxy-v1.21.2-build2021061701.tgz" \
+RUN CHART_URL="https://rke2-charts.rancher.io/assets/rke2-kube-proxy-1.21/rke2-kube-proxy-v1.21.2-build2021071403.tgz" \
                                               CHART_FILE=/charts/rke2-kube-proxy.yaml        CHART_BOOTSTRAP=true    /charts/build-chart.sh
 RUN CHART_VERSION="2.11.100-build2021022300"  CHART_FILE=/charts/rke2-metrics-server.yaml CHART_BOOTSTRAP=false  /charts/build-chart.sh
 RUN CHART_VERSION="v3.7.1-build2021041603"    CHART_FILE=/charts/rke2-multus.yaml         CHART_BOOTSTRAP=true   /charts/build-chart.sh
@@ -113,7 +113,7 @@ RUN rm -vf /charts/*.sh /charts/*.md
 # must be placed in bin/ of the file image and subdirectories of bin/ will be flattened during installation.
 # This means bin/foo/bar will become bin/bar when rke2 installs this to the host
 FROM rancher/k3s:v1.21.1-rc2-k3s1 AS k3s
-FROM rancher/hardened-kubernetes:v1.21.2-rke2r1-build20210706 AS kubernetes
+FROM rancher/hardened-kubernetes:v1.21.2-rke2r2-build20210714 AS kubernetes
 FROM rancher/hardened-containerd:v1.4.4-k3s2-build20210520 AS containerd
 FROM rancher/hardened-crictl:v1.19.0-build20210223 AS crictl
 FROM rancher/hardened-runc:v1.0.0-build20210708 AS runc

scripts/build-images

@@ -16,7 +16,7 @@ xargs -n1 -t docker image pull --quiet << EOF >> build/images-core.txt
     ${REGISTRY}/rancher/hardened-coredns:v1.6.9-${IMAGE_BUILD_VERSION}
     ${REGISTRY}/rancher/hardened-etcd:${ETCD_VERSION}-${IMAGE_BUILD_VERSION}
     ${REGISTRY}/rancher/hardened-k8s-metrics-server:v0.3.6-${IMAGE_BUILD_VERSION}
-    ${REGISTRY}/rancher/hardened-kube-proxy:${KUBERNETES_VERSION}-build20210617
+    ${REGISTRY}/rancher/hardened-kube-proxy:${KUBERNETES_VERSION}-build20210714
     ${REGISTRY}/rancher/klipper-helm:v0.6.1-build20210616
     ${REGISTRY}/rancher/pause:${PAUSE_VERSION}
     ${REGISTRY}/rancher/mirrored-jettech-kube-webhook-certgen:v1.5.1