[7.17](backport #30072) [Filebeat] Fix Cisco ASA/FTD configs that used var.input syslog

[mergify]

This is an automatic backport of pull request #30072 done by Mergify.
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Changes to be committed:
	modified:   CHANGELOG.next.asciidoc

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   x-pack/filebeat/module/cisco/asa/config/input.yml
	both modified:   x-pack/filebeat/module/cisco/ftd/config/input.yml

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• Start Time: 2022-02-14T21:23:23.188+0000

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[andrewkroh]

I had to bring in #26159 because it was missing from 7.17.

[mergify]

This pull request has not been merged yet. Could you please review and merge it @andrewkroh? 🙏

[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 mergify/bp/7.17/pr-30072 upstream/mergify/bp/7.17/pr-30072
git merge upstream/7.17
git push upstream mergify/bp/7.17/pr-30072