[feat] Introduce managed_kubernetes_cluster and clean up collect

[aquamatthias]

Description

To-Dos

• I have created tests for any new or updated functionality.
• I ran tox successfully.

Code of Conduct

By submitting this pull request, I agree to follow the code of conduct.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.94%. Comparing base (4011f20) to head (e451591).
Report is 1 commits behind head on main.

❗ Current head e451591 differs from pull request most recent head 35fdee1. Consider uploading reports for the commit 35fdee1 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1939   +/-   ##
=======================================
  Coverage   89.94%   89.94%           
=======================================
  Files          94       94           
  Lines       16684    16685    +1     
=======================================
+ Hits        15006    15007    +1     
  Misses       1678     1678           

Flag	Coverage Δ
resotocore	89.94% <100.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

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