feat(exec|verify): enabled "namespace" option for exec and verify commands

[idsulik]

Fixes: #9051

Description
Tested and enabled "--namespace" option for verify and exec commands

User facing changes
Before: no "--namespace" available for verify and exec commands
After: "--namespace" is available for verify and exec commands

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 63.55%. Comparing base (290280e) to head (a112b53).
Report is 1153 commits behind head on main.

❗ Current head a112b53 differs from pull request most recent head 6169386. Consider uploading reports for the commit 6169386 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #9307      +/-   ##
==========================================
- Coverage   70.48%   63.55%   -6.93%     
==========================================
  Files         515      635     +120     
  Lines       23150    32804    +9654     
==========================================
+ Hits        16317    20850    +4533     
- Misses       5776    10346    +4570     
- Partials     1057     1608     +551     

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[idsulik]

@ericzzzzzzz hi! Could you please review it?