feat: add resource-manager support to PD microservices

[okJiang]

No description provided.

[ti-chi-bot]

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[pingcap-cla-assistant]

All committers have signed the CLA.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0.44379% with 673 lines in your changes missing coverage. Please review.
✅ Project coverage is 38.10%. Comparing base (c01b1c9) to head (4a7292d).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6635      +/-   ##
==========================================
- Coverage   39.33%   38.10%   -1.24%     
==========================================
  Files         351      367      +16     
  Lines       20665    21341     +676     
==========================================
+ Hits         8129     8132       +3     
- Misses      12536    13209     +673     

Flag	Coverage Δ
unittest	38.10% <0.44%> (-1.24%)	⬇️

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[liubog2008]

Need a readiness probe.

[liubog2008]

add this component into the case in tests/e2e/suite/cluster/tls.go

[liubog2008]

no need to add a new feature gates for a new compnent

[ti-chi-bot]

@okJiang: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-e2e	4a7292d	link	true	/test pull-e2e

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