[DOCS] Update example dependency version from 4.3.0 to 5.5.0

[H145608]

Update rocketmq-client dependency version in Example_Simple.md documentation from the outdated 4.3.0 to the latest stable release 5.5.0

Which Issue(s) This PR Fixes

• Fixes #issue_id

Brief Description

How Did You Test This Change?

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 48.86%. Comparing base (a3abd51) to head (0502cfc).
⚠️ Report is 2 commits behind head on develop.

Additional details and impacted files

@@              Coverage Diff              @@
##             develop   #10349      +/-   ##
=============================================
- Coverage      48.97%   48.86%   -0.12%     
+ Complexity     13473    13439      -34     
=============================================
  Files           1375     1375              
  Lines         100452   100452              
  Branches       12973    12973              
=============================================
- Hits           49197    49082     -115     
- Misses         45265    45365     +100     
- Partials        5990     6005      +15     

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