Support filtering users in the replayer

[djshow832]

What problem does this PR solve?

Issue Number: close #1156

Problem Summary:
Support filtering users in the replayer.

What is changed and how it works:
replayer --user-allowlist="u1,u2" ...

Check List

Tests

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

Notable changes

• Has configuration change
• Has HTTP API interfaces change
• Has tiproxyctl change
• Other user behavior changes

Release note

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

None

[ti-chi-bot]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

[codecov-commenter]

Codecov Report

❌ Patch coverage is 70.00000% with 9 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (main@44711cc). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
pkg/sqlreplay/cmd/audit_log_plugin.go	80.00%	3 Missing and 1 partial ⚠️
pkg/sqlreplay/replay/replay.go	0.00%	2 Missing and 1 partial ⚠️
cmd/replayer/main.go	0.00%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1157   +/-   ##
=======================================
  Coverage        ?   67.44%           
=======================================
  Files           ?      149           
  Lines           ?    16389           
  Branches        ?        0           
=======================================
  Hits            ?    11054           
  Misses          ?     4590           
  Partials        ?      745           

Flag	Coverage Δ
unit	67.44% <70.00%> (?)

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[YangKeao]

LGTM

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: YangKeao

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Details

Needs approval from an approver in each of these files:

• OWNERS [YangKeao]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2026-05-25 06:49:06.28492217 +0000 UTC m=+248416.255087232: ☑️ agreed by YangKeao.