Dockerfile: Bump UBI minimal image to ubi-minimal:8.6 (#1244)

* Dockerfile: Bump UBI minimal image to ubi-minimal:8.6

CHANGELOG.md

@@ -3,6 +3,8 @@
 IMPROVEMENTS:
 * Helm
   * Enable the configuring of snapshot intervals in the client snapshot agent via `client.snapshotAgent.interval`. [[GH-1235](https://github.com/hashicorp/consul-k8s/pull/1235)]
+* Control Plane
+  * Bump Dockerfile base image for RedHat UBI `consul-k8s-control-plane` image to `ubi-minimal:8.6`. [[GH-1244](https://github.com/hashicorp/consul-k8s/pull/1244)]
 
 BUG FIXES:
 * Helm
@@ -22,7 +24,7 @@ BUG FIXES:
 * Security 
   * Bump golang.org/x/crypto and golang.org/x/text dependencies to address CVE-2022-27291 and CVE-2021-38561 respectively on both CLI and Control Plane. There's no known exposure within Consul on Kubernetes as the dependencies are not invoked. [[GH-1189](https://github.com/hashicorp/consul-k8s/pull/1189)]
 * Control Plane
-  * Endpoints Controller queuing up service registrations/deregistrations when request to agent on a terminated pod does not time out. This could result in pods not being registered and service instances not being deregistered. [[GH-714](https://github.com/hashicorp/consul-k8s/issues/714)]
+  * Endpoints Controller queuing up service registrations/deregistrations when request to agent on a terminated pod does not time out. This could result in pods not being registered and service instances not being deregistered. [[GH-1178](https://github.com/hashicorp/consul-k8s/pull/1178)]
 * Helm
   * Update client-daemonset to include ca-cert volumeMount only when tls is enabled. [[GH-1194](https://github.com/hashicorp/consul-k8s/pull/1194)]
   * Update create-federation-secret-job to look up the automatically generated gossip encryption key by the right name when global.name is unset or set to something other than consul. [[GH-1196](https://github.com/hashicorp/consul-k8s/pull/1196)]

control-plane/build-support/docker/Release.ubi.dockerfile

@@ -8,7 +8,7 @@
 # We don't rebuild the software because we want the exact checksums and
 # binary signatures to match the software and our builds aren't fully
 # reproducible currently.
-FROM registry.access.redhat.com/ubi8/ubi-minimal:8.5
+FROM registry.access.redhat.com/ubi8/ubi-minimal:8.6
 
 # NAME and VERSION are the name of the software in releases.hashicorp.com
 # and the version to download. Example: NAME=consul VERSION=1.2.3.