Fix typo in japanese docs: concepts#logging

[sotabkw]

Summary

Fix typo in japanese docs

Requirements (place an x in each [ ])

• I've read and understood the Contributing Guidelines and have done my best effort to follow them.
• I've read and agree to the Code of Conduct.

[CLAassistant]

All committers have signed the CLA.

[seratch]

Thank you!

[codecov]

Codecov Report

Merging #1787 (ce786de) into main (e769452) will not change coverage.
The diff coverage is n/a.

❗ Current head ce786de differs from pull request most recent head 64af5f1. Consider uploading reports for the commit 64af5f1 to get more accurate results

@@           Coverage Diff           @@
##             main    #1787   +/-   ##
=======================================
  Coverage   82.09%   82.09%           
=======================================
  Files          18       18           
  Lines        1502     1502           
  Branches      437      437           
=======================================
  Hits         1233     1233           
  Misses        172      172           
  Partials       97       97           

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