chore(operator): use List() when fetching KeptnWorkloadInstances for KeptnAppVersion

[odubajDT]

Fixes: #1425

[netlify]

✅ Deploy Preview for keptn-lifecycle-toolkit ready!

Name	Link
🔨 Latest commit	603f0ed
🔍 Latest deploy log	https://app.netlify.com/sites/keptn-lifecycle-toolkit/deploys/646dde8124512c0008b45c80
😎 Deploy Preview	https://deploy-preview-1456--keptn-lifecycle-toolkit.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site settings.

[codecov]

Codecov Report

Merging #1456 (59deac4) into main (a20b2e7) will increase coverage by 0.20%.
The diff coverage is 58.33%.

❗ Current head 59deac4 differs from pull request most recent head da2c0ba. Consider uploading reports for the commit da2c0ba to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1456      +/-   ##
==========================================
+ Coverage   61.61%   61.81%   +0.20%     
==========================================
  Files         137      137              
  Lines       10456    10488      +32     
==========================================
+ Hits         6442     6483      +41     
+ Misses       3763     3755       -8     
+ Partials      251      250       -1     

Impacted Files	Coverage Δ
...lers/lifecycle/keptnworkloadinstance/controller.go	81.73% <50.00%> (+0.51%)	⬆️
...ecycle/keptnappversion/reconcile_workloadsstate.go	75.71% <59.52%> (+27.98%)	⬆️

... and 1 file with indirect coverage changes

Flag	Coverage Δ
certificate-operator	68.55% <ø> (ø)
component-tests	59.04% <6.52%> (-1.51%)	⬇️
lifecycle-operator	83.51% <54.34%> (+0.12%)	⬆️
metrics-operator	80.51% <ø> (ø)
scheduler	21.75% <ø> (ø)

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

[sonarcloud]

SonarCloud Quality Gate failed.   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
4.7% Duplication