feat: add %K8S_RESOURCE_KIND% tag format for default tags

[a-hilaly]

Add support for including the Kubernetes resource Kind in default tags through a new %K8S_RESOURCE_KIND% format placeholder.

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[michaelhtm]

/lgtm

[ack-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: a-hilaly, michaelhtm

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[a-hilaly]

/retest

[ack-prow]

@a-hilaly: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
s3-controller-test	59e785e	link	true	/test s3-controller-test
verify-attribution	59e785e	link	false	/test verify-attribution
unit-test	59e785e	link	true	/test unit-test

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