opt: keep ports config for TiFlash 7.1.0+ to avoid restarting (#5223)

[ti-chi-bot]

This is an automated cherry-pick of #5223

What problem does this PR solve?

in #5075, we removed tcp and http ports for tiflash >= 7.1.0.

In this PR, add a tidb.pingcap.com/tiflash-710-keep-ports annotation to avoid restarting when upgrading TiDB Operator for existing TiFlash (>= 7.1.0)

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
  • deploy operator without Remove tcp and http ports for tiflash >= 7.1.0 #5075
  • create a >=v7.1.0 cluster with TiFlash
  • add annotation tidb.pingcap.com/tiflash-710-keep-ports in tc
  • upgrade operator to this PR version
  • observe no TiFlash upgrade
  • remove the annotation
  • observe TiFlash upgrade
• 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]

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[codecov-commenter]

Codecov Report

Merging #5225 (ebde003) into release-1.5 (5422562) will decrease coverage by 0.01%.
Report is 2 commits behind head on release-1.5.
The diff coverage is 85.71%.

Additional details and impacted files

@@               Coverage Diff               @@
##           release-1.5    #5225      +/-   ##
===============================================
- Coverage        57.73%   57.73%   -0.01%     
===============================================
  Files              249      249              
  Lines            29571    29574       +3     
===============================================
+ Hits             17074    17075       +1     
- Misses           10841    10842       +1     
- Partials          1656     1657       +1     

Flag	Coverage Δ
unittest	57.73% <85.71%> (-0.01%)	⬇️