[Backport 2.x] Replaces password generator step to a secure password generator action (#5153)

[DarshitChanpura]

Backports #5153
(cherry picked from commit 8803690)

Check List

• New functionality includes testing
• New functionality has been documented
• New Roles/Permissions have a corresponding security dashboards plugin PR
• API changes companion pull request created
• Commits are signed per the DCO using --signoff

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 68.22%. Comparing base (24820ab) to head (1ec1979).
Report is 2 commits behind head on 2.x.

Additional details and impacted files

@@            Coverage Diff             @@
##              2.x    #5154      +/-   ##
==========================================
- Coverage   68.28%   68.22%   -0.06%     
==========================================
  Files         346      346              
  Lines       24597    24597              
  Branches     4067     4067              
==========================================
- Hits        16796    16782      -14     
- Misses       5878     5893      +15     
+ Partials     1923     1922       -1     

see 6 files with indirect coverage changes

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