Add missing namespace_uid and namespace_labels fields

[tetianakravchenko]

What does this PR do?

In elastic/beats#33763 namespace metadata was added to all namespaced resources

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• I have reviewed tips for building integrations and this pull request is aligned with them.
• I have verified that all data streams collect metrics or logs.
• I have added an entry to my package's changelog.yml file.
• I have verified that Kibana version constraints are current according to guidelines.

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• Start Time: 2023-01-18T15:08:08.251+0000

• Duration: 27 min 19 sec

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Test	Results
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Passed	91
Skipped	0
Total	91

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🌐 Coverage report

Name	Metrics % (covered/total)	Diff
Packages	100.0% (0/0)	💚
Files	100.0% (0/0)	💚 2.303
Classes	100.0% (0/0)	💚 2.303
Methods	94.872% (74/78)	👍 3.471
Lines	100.0% (0/0)	💚 7.068
Conditionals	100.0% (0/0)	💚

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Package kubernetes - 1.30.0 containing this change is available at https://epr.elastic.co/search?package=kubernetes