docs(mutelist): update mutelist docs

[pedrooot]

Context

Fix #4782

Description

Update docs about how mutelist works with Tags

Checklist

• Are there new checks included in this PR? Yes / No
  • If so, do we need to update permissions for the provider? Please review this carefully.
• Review if the code is being covered by tests.
• Review if code is being documented following this specification https://github.com/google/styleguide/blob/gh-pages/pyguide.md#38-comments-and-docstrings

License

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[github-actions]

You can check the documentation for this PR here -> Prowler Documentation

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.09%. Comparing base (bf13913) to head (f8e60d3).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4784      +/-   ##
==========================================
- Coverage   89.10%   89.09%   -0.01%     
==========================================
  Files         921      921              
  Lines       28157    28157              
==========================================
- Hits        25089    25087       -2     
- Misses       3068     3070       +2     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.