feat(operator): rework Workload and Application span structure

[bacherfl]

Closes #409 #410

[codecov]

Codecov Report

Merging #452 (9000d2d) into main (29fa0e5) will increase coverage by 0.48%.
The diff coverage is 61.81%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #452      +/-   ##
==========================================
+ Coverage   43.28%   43.77%   +0.48%     
==========================================
  Files          27       27              
  Lines        2116     2136      +20     
==========================================
+ Hits          916      935      +19     
+ Misses       1118     1115       -3     
- Partials       82       86       +4     

Impacted Files	Coverage Δ
...or/controllers/keptnworkloadinstance/controller.go	51.03% <42.30%> (+1.56%)	⬆️
operator/controllers/keptnappversion/controller.go	72.30% <45.45%> (+0.43%)	⬆️
operator/controllers/common/phaseitem.go	95.31% <100.00%> (+0.15%)	⬆️
operator/controllers/common/spanhandler.go	83.33% <100.00%> (+4.76%)	⬆️
operator/controllers/keptnapp/controller.go	65.88% <100.00%> (ø)

Flag	Coverage Δ
keptn-lifecycle-operator	48.30% <61.81%> (+0.49%)	⬆️
scheduler	4.52% <ø> (ø)

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[thschue]

According to the initial issue, the tasks and evaluations themselves should also be visible in the trace, which is missing in the current screenshot.

[odubajDT]

According to the initial issue, the tasks and evaluations themselves should also be visible in the trace, which is missing in the current screenshot.

Task and evaluation spans restructuring will be handled in a separate PR, this PR restructures only workload and app spans, see the linked issues

[bacherfl]

According to the initial issue, the tasks and evaluations themselves should also be visible in the trace, which is missing in the current screenshot.

There is a separate issue for that: #411

[sonarcloud]

SonarCloud Quality Gate failed.   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
2 Code Smells

No Coverage information
8.4% Duplication

[thschue]

lgtm, good work!