Update changelog, remove deprecated tags

Author: thespad

readme-vars.yml

@@ -27,14 +27,10 @@ optional_block_1_items:
     ### Version Tags
 
     This image provides various versions that are available via tags. `latest` tag provides the latest stable build from Unifi, but if this is a permanent setup you might consider using the LTS tag.
-   
+
     | Tag    | Description                                  |
     | :----: | -------------------------------------------- |
     | latest | releases from the latest stable branch.      |
-    | LTS    | DEPRECATED - releases from the now EOL 5.6.x "LTS Stable" branch. |
-    | 5.9    | DEPRECATED - releases from the now EOL 5.9.x branch.      |
-    | 5.8    | DEPRECATED - releases from the now EOL 5.8.x branch.      |
-    | 5.7    | DEPRECATED - releases from the now EOL 5.7.x branch.      |
     
     ## Common problems
     When using a Security Gateway (router) it could be that network connected devices are unable to obtain an ip address. This can be fixed by setting "DHCP Gateway IP", under Settings > Networks > network_name, to a correct (and accessable) ip address.
@@ -79,6 +75,7 @@ app_setup_block: |
 
 # changelog
 changelogs:
+  - { date: "11.12.21:", desc: "Add java opts to mitigate CVE-2021-44228."}
   - { date: "11.06.21:", desc: "Allow for changing Java initial mem via new optional environment variable."}
   - { date: "12.01.21:", desc: "Deprecate the `LTS` tag as Unifi no longer releases LTS stable builds. Existing users can switch to the `latest` tag. Direct upgrade from 5.6.42 (LTS) to 6.0.42 (latest) tested successfully."}
   - { date: "17.07.20:", desc: "Rebase 64 bit containers to Bionic and Mongo 3.6."}