x-pack/filebeat/input/entityanalytics/provider/okta: add device handling

[efd6]

What does this PR do?

This adds support for device entities to the Okta API entity analytics provider.

Why is it important?

Milestone task.

Checklist

• My code follows the style guidelines of this project
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have made corresponding change to the default configuration files
• I have added tests that prove my fix is effective or that my feature works
• I have added an entry in CHANGELOG.next.asciidoc or CHANGELOG-developer.next.asciidoc.

Author's Checklist

• [ ]

How to test this PR locally

Related issues

• For elastic/security-team#6908
• Needs x-pack/filebeat/input/entityanalytics/provider/okta/internal/okta: add device handling #35980

Use cases

Screenshots

Logs

[elasticmachine]

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Build stats

• Start Time: 2023-08-14T09:25:24.749+0000

• Duration: 78 min 6 sec

Test stats 🧪

Test	Results
Failed	0
Passed	3132
Skipped	176
Total	3308

💚 Flaky test report

Tests succeeded.

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[mergify]

This pull request is now in conflicts. Could you fix it? 🙏
To fixup this pull request, you can check out it locally. See documentation: https://help.github.com/articles/checking-out-pull-requests-locally/

git fetch upstream
git checkout -b st6908-okta-device-provider upstream/st6908-okta-device-provider
git merge upstream/main
git push upstream st6908-okta-device-provider

[mergify]

This pull request is now in conflicts. Could you fix it? 🙏
To fixup this pull request, you can check out it locally. See documentation: https://help.github.com/articles/checking-out-pull-requests-locally/

git fetch upstream
git checkout -b st6908-okta-device-provider upstream/st6908-okta-device-provider
git merge upstream/main
git push upstream st6908-okta-device-provider

[mergify]

This pull request is now in conflicts. Could you fix it? 🙏
To fixup this pull request, you can check out it locally. See documentation: https://help.github.com/articles/checking-out-pull-requests-locally/

git fetch upstream
git checkout -b st6908-okta-device-provider upstream/st6908-okta-device-provider
git merge upstream/main
git push upstream st6908-okta-device-provider

[elasticmachine]

Pinging @elastic/security-external-integrations (Team:Security-External Integrations)

[ShourieG]

LTGM