Update labels

General MR

Summary

• Set metadata.labels in _pod.tpl to use sonarqube.workloadLabels variable as it already has the standard Kubernetes labels

Relevant logs/screenshots

**Note: Labels on Postgresql should be resolved when it gets updated in its renovate. It looks like the Mattermost package does something very similar but uses chart version 12.12.10 where the appropriate labels are present.

Verified site is still accessible after label additions:

Linked Issue

issue

Upgrade Notices

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