br: redact ak/sk in logging (#55622)

[ti-chi-bot]

This is an automated cherry-pick of #55622

What problem does this PR solve?

Issue Number: close #55273

Problem Summary:
log-backup: secrets may be directly logging to log when --send-credentials-to-tikv=false not set during starting log backup

What changed and how does it work?

Added a wrap of the storage info and redact ak/sk, now the logging woud not print them directly.

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.

Added a wrap of the storage info and redact ak/sk, now the logging woud not print them directly.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Please upload report for BASE (release-7.5@e61d6dd). Learn more about missing BASE report.

Additional details and impacted files

@@               Coverage Diff                @@
##             release-7.5     #55780   +/-   ##
================================================
  Coverage               ?   72.0935%           
================================================
  Files                  ?       1415           
  Lines                  ?     412940           
  Branches               ?          0           
================================================
  Hits                   ?     297703           
  Misses                 ?      95354           
  Partials               ?      19883           

Flag	Coverage Δ
unit	72.0935% <100.0000%> (?)

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

Components	Coverage Δ
dumpling	52.9400% <0.0000%> (?)
parser	∅ <0.0000%> (?)
br	53.5812% <0.0000%> (?)

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-09-27 06:21:21.428190127 +0000 UTC m=+1806151.168614076: ☑️ agreed by YuJuncen.
• 2024-09-27 06:43:26.442660958 +0000 UTC m=+1807476.183084909: ☑️ agreed by BornChanger.

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: 3pointer, BornChanger, YuJuncen

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Needs approval from an approver in each of these files:

• OWNERS [3pointer,YuJuncen]
• br/OWNERS [3pointer,BornChanger,YuJuncen]

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