Add extra podLabels options to Flagger Helm Chart

[eduardobarbosa]

This allows add extra pod labels to Flagger helm chart.

[maruina]

+1 for this one. If you have flagger and the loadtester in the Istio mesh, this allows you to add the required flags to properly label the traffic (otherwise the source_app is unknown)

[codecov-commenter]

Codecov Report

Merging #966 (3811470) into main (e2b08eb) will increase coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #966      +/-   ##
==========================================
+ Coverage   56.88%   56.91%   +0.03%     
==========================================
  Files          71       71              
  Lines        5861     5861              
==========================================
+ Hits         3334     3336       +2     
+ Misses       2032     2030       -2     
  Partials      495      495              

Impacted Files	Coverage Δ
pkg/canary/config_tracker.go	84.30% <0.00%> (+0.89%)	⬆️

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[stefanprodan]

LGTM

Thanks @eduardobarbosa