bootstrap: create sysvars for password validation during upgrade

[CbcWestwolf]

What problem does this PR solve?

Issue Number: close #55838

Problem Summary:

#38953 forgot to modify mysql.global_variables during upgrading

What changed and how does it work?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No need to test

  • I checked and no code files have been changed.

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

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

None

[codecov]

Codecov Report

Attention: Patch coverage is 78.57143% with 3 lines in your changes missing coverage. Please review.

Project coverage is 56.5845%. Comparing base (027f01b) to head (32884bf).
Report is 22 commits behind head on master.

Additional details and impacted files

@@                Coverage Diff                @@
##             master     #56052         +/-   ##
=================================================
- Coverage   72.8742%   56.5845%   -16.2898%     
=================================================
  Files          1604       1736        +132     
  Lines        446838     628944     +182106     
=================================================
+ Hits         325630     355885      +30255     
- Misses       101150     248927     +147777     
- Partials      20058      24132       +4074     

Flag	Coverage Δ
integration	38.1603% <0.0000%> (?)
unit	72.0063% <78.5714%> (+0.0155%)	⬆️

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

Components	Coverage Δ
dumpling	52.9567% <ø> (ø)
parser	∅ <ø> (∅)
br	63.0336% <ø> (+17.4032%)	⬆️

[CbcWestwolf]

/hold

[CbcWestwolf]

/unhold

[CbcWestwolf]

/retest

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[tiprow]

@CbcWestwolf: 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
fast_test_tiprow	32884bf	link	true	/test fast_test_tiprow

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