*: integrate PD HTTP client to the store helper

[JmPotato]

What problem does this PR solve?

Issue Number: ref #35319, tikv/pd#7300. Should merge after tikv/client-go#1049 and tikv/pd#7304.

Problem Summary:

What is changed and how it works?

• Integrate the unified PD HTTP client to store/helper package.
• Replace the PD types with the HTTP SDK.

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[ti-chi-bot]

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[tiprow]

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You can still manually trigger a test run with /test all

[codecov]

Codecov Report

Merging #48276 (57d8560) into master (911334b) will increase coverage by 1.4209%.
Report is 3 commits behind head on master.
The diff coverage is 68.8524%.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #48276        +/-   ##
================================================
+ Coverage   71.4298%   72.8508%   +1.4209%     
================================================
  Files          1404       1428        +24     
  Lines        407212     413799      +6587     
================================================
+ Hits         290871     301456     +10585     
+ Misses        96393      93416      -2977     
+ Partials      19948      18927      -1021     

Flag	Coverage Δ
integration	43.3064% <5.9829%> (?)
unit	71.4580% <68.8524%> (+0.0281%)	⬆️

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

Components	Coverage Δ
dumpling	53.9874% <100.0000%> (ø)
parser	∅ <ø> (∅)
br	48.8259% <0.0000%> (-4.2325%)	⬇️

[JmPotato]

Please help take a look, thx.

/cc @YuJuncen @zimulala @tangenta @hawkingrei

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2023-11-15 02:43:17.604370491 +0000 UTC m=+4216995.191480654: ☑️ agreed by hawkingrei.
• 2023-11-15 03:14:35.570549359 +0000 UTC m=+4218873.157659489: ☑️ agreed by tangenta.

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hawkingrei, lichunzhu, tangenta, YuJuncen

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Needs approval from an approver in each of these files:

• OWNERS [YuJuncen,hawkingrei,lichunzhu,tangenta]
• br/OWNERS [YuJuncen]
• dumpling/OWNERS [lichunzhu]
• pkg/ddl/OWNERS [tangenta]
• pkg/domain/OWNERS [tangenta]
• pkg/infoschema/OWNERS [tangenta]

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