add support for deploymentLabels

[quintonm]

This PR adds support for configuring additional labels for the deployment using deploymentLabels in values.yaml.

[aryan9600]

thanks for this PR! could you also update the chart's README accordingly. i see that we missed out on the docs for podLabels, so we can do both in this PR as well

[KrylixZA]

Could this be used to address the issues raised in #1312?

[aryan9600]

@KrylixZA i'm investigating that. i'd say if that needs to be addressed, we shall do so in a different PR, since they're completely different things.

[quintonm]

@aryan9600 README has been updated. Should I make a similar update to docs/gitbook/install/flagger-install-on-kubernetes.md?

[aryan9600]

Sure, that'd be great. Could you also specify the podLabels and deploymentLabels values in the table in charts/flagger/README.md?

[quintonm]

Sure, that'd be great. Could you also specify the podLabels and deploymentLabels values in the table in charts/flagger/README.md?

done

[quintonm]

@aryan9600 Any other changes needed?

[quintonm]

@aryan9600 @stefanprodan - Just following up on this PR. Are any other changes needed? Thanks for taking the time to review!

[aryan9600]

lgtm! thanks @quintonm and apologies for the delay

[quintonm]

@aryan9600 - How do I trigger a build? It looks like one is needed before the PR can be merged.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 39.30%. Comparing base (febc327) to head (8d9b1ad).
Report is 18 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1707      +/-   ##
==========================================
+ Coverage   39.27%   39.30%   +0.03%     
==========================================
  Files         284      284              
  Lines       22379    22391      +12     
==========================================
+ Hits         8789     8801      +12     
  Misses      12643    12643              
  Partials      947      947              

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[aryan9600]

@quintonm could you squash all the commits into one and then force push?

[quintonm]

@aryan9600 done

[quintonm]

@aryan9600 Is there anything else that I need to do before build-flagger action can be executed?