[7.16](backport #28513) enhancement httpjson rate-limit early-limit

[mergify]

This is an automatic backport of pull request #28513 done by Mergify.
Cherry-pick of c77bf19 has failed:

On branch mergify/bp/7.16/pr-28513
Your branch is up to date with 'origin/7.16'.

You are currently cherry-picking commit c77bf19b66.
  (fix conflicts and run "git cherry-pick --continue")
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Changes to be committed:
	modified:   CHANGELOG.next.asciidoc
	modified:   filebeat/docs/modules/okta.asciidoc
	modified:   x-pack/filebeat/docs/inputs/input-httpjson.asciidoc
	modified:   x-pack/filebeat/input/httpjson/internal/v2/config_request.go
	modified:   x-pack/filebeat/input/httpjson/rate_limiter_test.go
	modified:   x-pack/filebeat/module/okta/_meta/docs.asciidoc
	modified:   x-pack/filebeat/module/okta/system/config/input.yml

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   x-pack/filebeat/input/httpjson/rate_limiter.go

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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• Start Time: 2021-11-08T11:31:34.811+0000

• Duration: 115 min 1 sec

• Commit: fa63c58

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Test	Results
Failed	0
Passed	15790
Skipped	2346
Total	18136

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