Update Kubernetes from v1.19.2 to v1.19.3

* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.19.md#v1193

README.md

@@ -11,7 +11,7 @@ Typhoon distributes upstream Kubernetes, architectural conventions, and cluster
 
 ## Features <a href="https://www.cncf.io/certification/software-conformance/"><img align="right" src="https://storage.googleapis.com/poseidon/certified-kubernetes.png"></a>
 
-* Kubernetes v1.19.2 (upstream)
+* Kubernetes v1.19.3 (upstream)
 * Single or multi-master, [Calico](https://www.projectcalico.org/) or [Cilium](https://github.com/cilium/cilium) or [flannel](https://github.com/coreos/flannel) networking
 * On-cluster etcd with TLS, [RBAC](https://kubernetes.io/docs/admin/authorization/rbac/)-enabled, [network policy](https://kubernetes.io/docs/concepts/services-networking/network-policies/)
 * Advanced features like [snippets](https://typhoon.psdn.io/advanced/customization/#container-linux) customization

bootstrap.tf

@@ -1,6 +1,6 @@
 # Kubernetes assets (kubeconfig, manifests)
 module "bootstrap" {
-  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=a2eb1dcbcf389b518c853ee060196b914950f27c"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=5bebcc5f0040c6ff32a5e824cfa50f2fd28ad03d"
 
   cluster_name                    = var.cluster_name
   api_servers                     = [var.k8s_domain_name]

cl/controller.yaml

@@ -60,7 +60,7 @@ systemd:
         Description=Kubelet
         Wants=rpc-statd.service
         [Service]
-        Environment=KUBELET_IMAGE=docker://quay.io/poseidon/kubelet:v1.19.2
+        Environment=KUBELET_IMAGE=docker://quay.io/poseidon/kubelet:v1.19.3
         Environment=KUBELET_CGROUP_DRIVER=${cgroup_driver}
         ExecStartPre=/bin/mkdir -p /etc/kubernetes/cni/net.d
         ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
@@ -147,7 +147,7 @@ systemd:
             --volume script,kind=host,source=/opt/bootstrap/apply \
             --mount volume=script,target=/apply \
             --insecure-options=image \
-            docker://quay.io/poseidon/kubelet:v1.19.2 \
+            docker://quay.io/poseidon/kubelet:v1.19.3 \
             --net=host \
             --dns=host \
             --exec=/apply

cl/worker.yaml

@@ -33,7 +33,7 @@ systemd:
         Description=Kubelet
         Wants=rpc-statd.service
         [Service]
-        Environment=KUBELET_IMAGE=docker://quay.io/poseidon/kubelet:v1.19.2
+        Environment=KUBELET_IMAGE=docker://quay.io/poseidon/kubelet:v1.19.3
         Environment=KUBELET_CGROUP_DRIVER=${cgroup_driver}
         ExecStartPre=/bin/mkdir -p /etc/kubernetes/cni/net.d
         ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests