Track and update `appVersion` in `Chart.yaml` with `updatecli`

[dduportal]

In #1696, the updatecli manifest of the plugin-site-issues started to track the application version.

We should do the same for:

• httpd (easy one, same as feat(plugin-site-issues) remove unused HPA add tests and apply good practises #1696 change)
• nginx-website (easy one, same as feat(plugin-site-issues) remove unused HPA add tests and apply good practises #1696 change)
• rating (easy one, same as feat(plugin-site-issues) remove unused HPA add tests and apply good practises #1696 change)
• uplink (easy one, same as feat(plugin-site-issues) remove unused HPA add tests and apply good practises #1696 change)
• wiki (easy one, same as feat(plugin-site-issues) remove unused HPA add tests and apply good practises #1696 change)
• plugin-site (easy one, same as feat(plugin-site-issues) remove unused HPA add tests and apply good practises #1696 change, focused on the plugin-site-api version)
• geoipupdates (indirect one: need to extract the Docker image version first, and then get the installed version in it)
• mirrorbits (indirect one: need to extract the Docker image version first, and then get the installed version in it)

[Oishika-Pradhan]

Hi @dduportal I don't see anyone working on this issue, am I good to pick this up?

[dduportal]

@Oishika-Pradhan yes you can