Doc: Update docker static patching policy (#3161)

* doc: update docker static patching policy

* adjust heading

* add bit about awx

* add link to awx job

FAQ.md

@@ -315,12 +315,14 @@ cases they may be used as `dockerBuild` hosts too.
 
 Instructions on how to create a static docker container can be found [here](https://github.com/adoptium/infrastructure/tree/master/ansible/playbooks/AdoptOpenJDK_Unix_Playbook/roles/DockerStatic/README.md)
 
+### Dockerhost Patching
+
+At the moment we have the [updatepackages.sh](https://github.com/adoptium/infrastructure/blob/master/ansible/playbooks/AdoptOpenJDK_Unix_Playbook/roles/DockerStatic/scripts/updatepackages.sh) script which runs weekly on all of our Dockerhost systems via a [scheduled job on our AWX server](https://awx2.adoptopenjdk.net/#/templates/job_template/34?template_search=page_size:20;order_by:name;type:workflow_job_template,job_template) to ensure that the Static Docker containers are patched and up to date. The script is also used to install new test [prerequisite](https://github.com/adoptium/aqa-tests/blob/master/doc/Prerequisites.md#prerequisites) packages onto the containers.
+
 ### DockerHost TODO
 
-1. Set up patching cycle
-2. Identify ways to redeploy when needed to pick up updates
-3. Allow dockerhost.yml playbook to adjust core file settings
-4. Add mechanism to deploy differently based on host machine size
+1. Allow dockerhost.yml playbook to adjust core file settings
+2. Add mechanism to deploy differently based on host machine size
 
 ## Temporary access to a machine