Add health check to kube_* integrations

[khewonc]

What does this PR do?

Adds a health check to the other kube_* integrations similar to the ones added in these PRs:

• https://github.com/DataDog/integrations-core/pull/9773
• https://github.com/DataDog/integrations-core/pull/9977

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

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[codecov[bot]]

Codecov Report

Merging #10668 (6cbfa19) into master (760fb50) will increase coverage by 1.43%. The diff coverage is 93.25%.

Flag	Coverage Δ
arangodb	?
calico	?
foundationdb	?
kube_dns	95.33% <92.59%> (-3.52%)	:arrow_down:
kube_metrics_server	94.87% <92.72%> (-5.13%)	:arrow_down:
kube_proxy	96.89% <94.20%> (-3.11%)	:arrow_down:
teradata	?
traffic_server	?

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

[sarah-witt]

/azp run PR Changes

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[steveny91]

@khewonc left small nit. If you can address it then I think we can get this merged in.