Changelog caching improvements

[stavros-k]

Is your feature request related to a problem?

Currently, after the first cache is created, it will always use this, but not update it.
As it is marked as cache hit.

Describe the solution you'd like

Find a way to update the cache after each run, maybe use artifacts?

Describe alternatives you've considered

Once a month invalidate cache and let generation recreate it.

Additional context

No response

I've read and agree with the following

• I've checked all open and closed issues and my request is not there.
• I've checked all open and closed pull requests and my request is not there.

[truecharts-admin]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed in two weeks if no further activity occurs. Thank you for your contributions.