dm: add retry for dm-worker to join dm-master

[GMHDBJD]

What problem does this PR solve?

ref pingcap/tiup#2464 (comment)

Issue Number: close #4287

What is changed and how it works?

• add retry for dm-worker to join dm-master

Check List

Tests

• Manual test (add detailed scripts or steps below)

./tiup-playground nightly --dm-master 1 --dm-worker 1 --dm-worker.binpath /home/gmhdbjd/code/tiflow/bin/dm-worker --without-monitor --db 0 --kv 0 --pd 0 --tiflash 0
Start dm-master instance: v8.4.0-alpha-nightly
Start dm-worker instance: /home/gmhdbjd/code/tiflow/bin/dm-worker

Questions

Will it cause performance regression or break compatibility?

Do you need to update user documentation, design documentation or monitoring documentation?

Release note

Please refer to [Release Notes Language Style Guide](https://pingcap.github.io/tidb-dev-guide/contribute-to-tidb/release-notes-style-guide.html) to write a quality release note.

If you don't think this PR needs a release note then fill it with `None`.

[GMHDBJD]

/retest

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 37 lines in your changes missing coverage. Please review.

Project coverage is 55.1635%. Comparing base (792da42) to head (993a184).
Report is 1 commits behind head on master.

Additional details and impacted files

Components	Coverage Δ
cdc	59.6477% <ø> (-0.0135%)	⬇️
dm	50.0558% <0.0000%> (+0.0307%)	⬆️
engine	53.2279% <ø> (+0.0225%)	⬆️

Flag	Coverage Δ
unit	55.1635% <0.0000%> (+0.0079%)	⬆️

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

@@               Coverage Diff                @@
##             master     #11701        +/-   ##
================================================
+ Coverage   55.1556%   55.1635%   +0.0079%     
================================================
  Files          1001       1001                
  Lines        136481     136485         +4     
================================================
+ Hits          75277      75290        +13     
+ Misses        55697      55690         -7     
+ Partials       5507       5505         -2     

[Benjamin2037]

If there is retry interval wait a while between two tries.

[lance6716]

need to update the comments at line 58

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: D3Hunter, lance6716

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Details

Needs approval from an approver in each of these files:

• dm/OWNERS [D3Hunter,lance6716]

Approvers can indicate their approval by writing /approve in a comment
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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-10-29 08:08:08.567284256 +0000 UTC m=+337201.406439802: ☑️ agreed by lance6716.
• 2024-10-29 09:59:27.080200445 +0000 UTC m=+343879.919355994: ☑️ agreed by D3Hunter.