[enhancement](AuditLoaderPlugin): add audit queue capacity configurat…

[dutyu]

…ion and improve performance for datetime format.

Proposed changes

Ease the audit log discard problem for auditloader plugin.

Issue Number: close #12885

Problem summary

See #12885

Checklist(Required)

1. Does it affect the original behavior:
   • [ ] Yes
   • [*] No
   • [ ] I don't know
2. Has unit tests been added:
   • [ ] Yes
   • [*] No
   • [ ] No Need
3. Has document been added or modified:
   • [ ] Yes
   • [*] No
   • [ ] No Need
4. Does it need to update dependencies:
   • [ ] Yes
   • [*] No
5. Are there any changes that cannot be rolled back:
   • [ ] Yes (If Yes, please explain WHY)
   • [*] No