feat(ci): add kyverno label policy

What

Add a simple label check kyverno policy to make sure all our service chart rendered resources(except Namespaces) have correct labels. This policy is going to be used both for service and deployment charts(since all have the common labels), and hence the policy is named common. Service and deployment specific policies will come later.

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Why

This is a fundamental policy we need, this way we make sure all our resources adhere to the label structure we want to enforce. More context: team#617 (closed)