try to Graceful Drain TiCDC for improper constraint image tag (#5173)

[ti-chi-bot]

This is an automated cherry-pick of #5173

What problem does this PR solve?

Close #4912

What is changed and how does it work?

Code changes

• Has Go code change
• Has CI related scripts change

Tests

• Unit test
• E2E test
• Manual test
  • upgrade TiCDC to a version with improper constraint image tag
• No code

Side effects

• Breaking backward compatibility
• Other side effects:

Related changes

• Need to cherry-pick to the release branch
• Need to update the documentation

Release Notes

Please refer to Release Notes Language Style Guide before writing the release note.

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[codecov-commenter]

Codecov Report

Merging #5178 (83092bf) into release-1.4 (9ea4a09) will increase coverage by 0.00%.
The diff coverage is 40.00%.

Additional details and impacted files

@@             Coverage Diff              @@
##           release-1.4    #5178   +/-   ##
============================================
  Coverage        58.90%   58.91%           
============================================
  Files              227      227           
  Lines            26266    26268    +2     
============================================
+ Hits             15473    15476    +3     
+ Misses            9307     9306    -1     
  Partials          1486     1486           

Flag	Coverage Δ
unittest	58.91% <40.00%> (+<0.01%)	⬆️