Update kubernetes templates for elastic-agent [templates.d]

[elasticmachine]

Automated by https://internal-ci.elastic.co/job/package_storage/job/refresh-kubernetes-templates-job/job/main/255/

[mergify]

This pull request does not have a backport label. Could you fix it @elasticmachine? 🙏
To fixup this pull request, you need to add the backport labels for the needed
branches, such as:

• backport-v./d./d./d is the label to automatically backport to the 8./d branch. /d is the digit

NOTE: backport-skip has been added to this pull request.

[elasticmachine]

💚 Build Succeeded

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Build stats

• Start Time: 2023-07-17T12:07:18.114+0000

• Duration: 27 min 58 sec

Test stats 🧪

Test	Results
Failed	0
Passed	5975
Skipped	27
Total	6002

💚 Flaky test report

Tests succeeded.

🤖 GitHub comments

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To re-run your PR in the CI, just comment with:

• /test : Re-trigger the build.

• /package : Generate the packages.

• run integration tests : Run the Elastic Agent Integration tests.

• run end-to-end tests : Generate the packages and run the E2E Tests.

• run elasticsearch-ci/docs : Re-trigger the docs validation. (use unformatted text in the comment!)

[elasticmachine]

🌐 Coverage report

Name	Metrics % (covered/total)	Diff
Packages	98.718% (77/78)	👍
Files	67.416% (180/267)	👍
Classes	66.397% (328/494)	👍
Methods	53.866% (1038/1927)	👍
Lines	40.146% (11900/29642)	👎 -0.047
Conditionals	100.0% (0/0)	💚