[7.17](backport #32767) allow for json/ndjson content type with charset

[mergify]

This is an automatic backport of pull request #32767 done by Mergify.
Cherry-pick of b40349c has failed:

On branch mergify/bp/7.17/pr-32767
Your branch is up to date with 'origin/7.17'.

You are currently cherry-picking commit b40349ce5a.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   CHANGELOG.next.asciidoc
	modified:   x-pack/filebeat/input/awss3/s3_objects.go

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   x-pack/filebeat/input/awss3/input_integration_test.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: 2022-08-25T06:39:49.986+0000

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Total	6030

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