Update example config

[celenechang]

What does this PR do?

• Add spec.yaml files for kubernetes_state and kubelet checks
• Update conf files accordingly

Motivation

Additional Notes

Review checklist (to be filled by reviewers)

• Feature or bugfix MUST have appropriate tests (unit, integration, e2e)
• PR title must be written as a CHANGELOG entry (see why)
• Files changes must correspond to the primary purpose of the PR as described in the title (small unrelated changes should have their own PR)
• PR must have changelog/ and integration/ labels attached

[github-actions]

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[codecov]

Codecov Report

Merging #11515 (4cdaa0e) into master (7c3e92d) will increase coverage by 0.01%.
The diff coverage is n/a.

Flag	Coverage Δ
datadog_checks_dev	79.21% <ø> (ø)
druid	97.70% <ø> (ø)
kubelet	90.46% <ø> (+0.83%)	⬆️
kubernetes_state	89.54% <ø> (ø)
spark	93.56% <ø> (+0.28%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

[ofek]

🥇

[fdc-liebreich]

I think, you unintentionally removed join_standard_tags from kubernetes_state/data/conf.yaml.example, referenced in the documentation.

[celenechang]

@fdc-liebreich sorry about that, thanks for reporting!