statistics: fix small typo

[winoros]

What problem does this PR solve?

Issue Number: close #xxx

Problem Summary:

What changed and how does it work?

Just small typo error

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

[elsa0520]

LGTM

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-04-17 13:08:33.25634769 +0000 UTC m=+429932.367394142: ☑️ agreed by elsa0520.
• 2024-04-17 13:11:11.959964477 +0000 UTC m=+430091.071010925: ☑️ agreed by hawkingrei.

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: AilinKid, elsa0520, hawkingrei

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• pkg/statistics/OWNERS [AilinKid,elsa0520,hawkingrei]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[winoros]

/retest

[codecov]

Codecov Report

Merging #52685 (d02676d) into master (5bb8ed7) will increase coverage by 1.2400%.
Report is 7 commits behind head on master.
The diff coverage is 100.0000%.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #52685        +/-   ##
================================================
+ Coverage   72.3916%   73.6317%   +1.2400%     
================================================
  Files          1471       1472         +1     
  Lines        427132     427427       +295     
================================================
+ Hits         309208     314722      +5514     
+ Misses        98724      93263      -5461     
- Partials      19200      19442       +242     

Flag	Coverage Δ
integration	46.4838% <0.0000%> (?)
unit	71.1807% <100.0000%> (-0.1048%)	⬇️

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

Components	Coverage Δ
dumpling	53.9957% <ø> (ø)
parser	∅ <ø> (∅)
br	41.4453% <ø> (+0.3419%)	⬆️