[Serverless bug bash] Fixes atypical terminology

[natasha-moore-elastic]

Serverless bug bash

Resolves #6020 by editing atypical terminology re endpoint protection.

Preview: Security billing dimensions

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[mergify]

This pull request is now in conflicts. Could you fix it @natasha-moore-elastic? 🙏
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 issue-6020-bugbash upstream/issue-6020-bugbash
git merge upstream/main
git push upstream issue-6020-bugbash