fix(common): Allow overriding checksum/configMap so we can disable restart on configmap change

[halkeye]

When using apps actually handle thier own config file reloads, chart should have a way to disable the changing annotations each time config maps change.

Description of the change

Removed

Fixed

Allow overriding checksum/configMap annotation

Added

Changed

Benefits

Possible drawbacks

Applicable issues

• fixes #

Additional information

Checklist

• [X] Title of the PR conforms to the Conventional Commits standard.
• [X] Scope of the of the PR title contains the chart name.
• [ ] Chart version in Chart.yaml has been bumped according to Semantic Versioning.
• [ ] Chart artifacthub.io/changes changelog annotation has been updated in Chart.yaml. See Artifact Hub documentation for more info.
• [ ] Variables have been documented in the values.yaml file.

[halkeye]

Do you want chart.yaml updated? last time you didn't merge that part.

[bjw-s]

I've chosen a slightly different approach of implementing this, hope that works for you as well