[8.10] Fixes "Enrol"/"Enroll" typo (backport #5805)

[mergify]

Fixes #5794 - the British English form of "Enrol" (instead of "Enroll") was used in Get started with CSPM docs

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This is an automatic backport of pull request #5805 done by Mergify.

[mergify]

Cherry-pick of 2815edd has failed:

On branch mergify/bp/8.10/pr-5805
Your branch is up to date with 'origin/8.10'.

You are currently cherry-picking commit 2815edd9.
  (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:   docs/cloud-native-security/cspm-get-started-aws.asciidoc

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	both modified:   docs/cloud-native-security/cspm-get-started-gcp.asciidoc
	deleted by us:   docs/serverless/cloud-native-security/cspm-get-started-gcp.mdx
	deleted by us:   docs/serverless/cloud-native-security/cspm-get-started.mdx

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

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