Fix depended-by label value exceed 63 characters in dependencies-distributor

[XiShanYongYe-Chang]

What type of PR is this?

/kind feature

What this PR does / why we need it:

Which issue(s) this PR fixes:
Fixes #1741

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

karmada-controller-manager: fix depended-by label value exceed 63 characters in dependencies-distributor

[XiShanYongYe-Chang]

Test result:

[XiShanYongYe-Chang]

/cc @RainbowMango @whitewindmills @chaunceyjiang

[chaunceyjiang]

/assign

[whitewindmills]

/assign

[chaunceyjiang]

label value exceed 63 characters

Can you write an e2e to test this situation?

[XiShanYongYe-Chang]

Can you write an e2e to test this situation?

Sure, Let me write the logic for E2E to guard this logic.

Let me contribute this in a separate PR, because I want to design the E2E related to #4711 together.

[whitewindmills]

/lgtm

[whitewindmills]

it seems that supplementing UT is enough.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 12 lines in your changes are missing coverage. Please review.

Project coverage is 53.31%. Comparing base (c4ee8db) to head (d7419fe).

Files	Patch %	Lines
...ependenciesdistributor/dependencies_distributor.go	0.00%	12 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4989      +/-   ##
==========================================
- Coverage   53.32%   53.31%   -0.02%     
==========================================
  Files         253      253              
  Lines       20554    20554              
==========================================
- Hits        10961    10958       -3     
- Misses       8868     8870       +2     
- Partials      725      726       +1     

Flag	Coverage Δ
unittests	53.31% <0.00%> (-0.02%)	⬇️

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[chaunceyjiang]

Thanks~

/lgtm

[RainbowMango]

/approve

[karmada-bot]

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