[ISSUE #8105] fix typo about udpate user

[zhiliatom]

Which Issue(s) This PR Fixes

Fixes #8105

Brief Description

How Did You Test This Change?

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 42.82%. Comparing base (dcf892a) to head (281aaaa).

Files	Patch %	Lines
...ocketmq/broker/processor/AdminBrokerProcessor.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #8106      +/-   ##
=============================================
- Coverage      42.86%   42.82%   -0.04%     
+ Complexity     10360    10359       -1     
=============================================
  Files           1270     1270              
  Lines          88690    88690              
  Branches       11399    11399              
=============================================
- Hits           38017    37984      -33     
- Misses         45976    46008      +32     
- Partials        4697     4698       +1     

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