Introduced ability to use KEDA triggers for autoscaling

[ritmas]

Why is this pull request needed and what does it do?

Introduced ability to use KEDA triggers for autoscaling

Which issues (if any) are related?

N/A

Checklist:

• [x] I have bumped the chart version according to versioning.
• [x] I have updated the chart changelog with all the changes that come with this pull request according to changelog.
• [x] Any new values are backwards compatible and/or have sensible default.
• [x] I have signed off all my commits as required by DCO.

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Note on DCO

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