Describe the bug
with latest version 0.21.6 scanning of namespace is not happening with --namesapce option.

To Reproduce
Steps to reproduce the behavior:

1. download latest version 0.21.6
2. run this command ./popeye -n <namespace> --save --out html --output-file report.html
3. in report we see

NAMESPACES (0 SCANNED)                                                       💥 0 😱 0 🔊 0 ✅ 0 100٪
┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅┅
 · Nothing to report.

Expected behavior
it should scan namespace

Versions (please complete the following information):

• OS: [e.g. OSX]
• Popeye 0.21.6
• K8s 1.29

Additional context
Add any other context about the problem here.