fix: admit pod without creating KLT resources if owner of the pod is not supported

[bacherfl]

Closes #1749

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[codecov]

Codecov Report

Merging #1752 (95d3ee1) into main (077f0d5) will decrease coverage by 0.01%.
The diff coverage is 100.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1752      +/-   ##
==========================================
- Coverage   63.59%   63.59%   -0.01%     
==========================================
  Files         143      143              
  Lines       10925    10934       +9     
==========================================
+ Hits         6948     6953       +5     
- Misses       3716     3719       +3     
- Partials      261      262       +1     

Impacted Files	Coverage Δ
operator/apis/lifecycle/v1alpha3/common/common.go	100.00% <100.00%> (ø)
...rator/webhooks/pod_mutator/pod_mutating_webhook.go	74.86% <100.00%> (+0.49%)	⬆️

... and 4 files with indirect coverage changes

Flag	Coverage Δ
certificate-operator	68.55% <ø> (ø)
component-tests	59.27% <ø> (-0.27%)	⬇️
lifecycle-operator	84.58% <100.00%> (+0.02%)	⬆️
metrics-operator	82.32% <ø> (ø)
scheduler	32.12% <ø> (ø)

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[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication