feat: support user-defined labels

[leon-inf]

(cherry picked from commit 8a96fbd)

[codecov]

Codecov Report

Attention: Patch coverage is 92.30769% with 3 lines in your changes missing coverage. Please review.

Project coverage is 65.48%. Comparing base (1e0521c) to head (331c2e8).
Report is 1 commits behind head on release-0.9.

Files	Patch %	Lines
pkg/controller/builder/builder_component.go	0.00%	3 Missing ⚠️

Additional details and impacted files

@@               Coverage Diff               @@
##           release-0.9    #7601      +/-   ##
===============================================
+ Coverage        65.41%   65.48%   +0.07%     
===============================================
  Files              354      354              
  Lines            43603    43610       +7     
===============================================
+ Hits             28523    28559      +36     
+ Misses           12594    12569      -25     
+ Partials          2486     2482       -4     

Flag	Coverage Δ
unittests	65.48% <92.30%> (+0.07%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.