fix: [Bug] Filter PolicyReport ignores namespace flag

[yankay]

Closes #1353

📑 Description

Add the namespace filter to the KyvernoAnalyzer

✅ Checks

• My pull request adheres to the code style of this project
• My code requires changes to the documentation
• I have updated the documentation as required
• All the tests have passed

ℹ Additional Information

[codecov]

Codecov Report

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

Project coverage is 34.12%. Comparing base (173e4dc) to head (6f73116).
Report is 42 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/integration/kyverno/analyzer.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1355      +/-   ##
==========================================
- Coverage   34.76%   34.12%   -0.65%     
==========================================
  Files          94       97       +3     
  Lines        6342     6500     +158     
==========================================
+ Hits         2205     2218      +13     
- Misses       4046     4189     +143     
- Partials       91       93       +2     

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