fix: add password/secret length check to be <= 128

[zyyw]

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Comprehensive Summary of your change

Issue being fixed

Fixes #(issue)
Resolve task 5 in issue 18091

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• Well Written Title and Summary of the PR
• Label the PR as needed. "release-note/ignore-for-release, release-note/new-feature, release-note/update, release-note/enhancement, release-note/community, release-note/breaking-change, release-note/docs, release-note/infra, release-note/deprecation"
• Accepted the DCO. Commits without the DCO will delay acceptance.
• Made sure tests are passing and test coverage is added if needed.
• Considered the docs impact and opened a new docs issue or PR with docs changes if needed in website repository.

[codecov]

Codecov Report

Merging #18916 (31b2439) into main (98f592f) will decrease coverage by 0.01%.
The diff coverage is 75.00%.

@@            Coverage Diff             @@
##             main   #18916      +/-   ##
==========================================
- Coverage   67.32%   67.32%   -0.01%     
==========================================
  Files         981      981              
  Lines      107342   107342              
  Branches     2698     2698              
==========================================
- Hits        72270    72266       -4     
- Misses      31189    31192       +3     
- Partials     3883     3884       +1     

Flag	Coverage Δ
unittests	67.32% <75.00%> (-0.01%)	⬇️

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

Impacted Files	Coverage Δ
src/server/v2.0/handler/robot.go	4.31% <0.00%> (ø)
src/controller/robot/controller.go	55.63% <100.00%> (ø)
src/server/v2.0/handler/user.go	14.68% <100.00%> (-1.52%)	⬇️

... and 6 files with indirect coverage changes

[AllForNothing]

lgtm

[wy65701436]

Lgtm