Improve matching patterns in "settings_sections" Dangerfile

What does this MR do and why?

This is a small follow-up to !161020 (merged) to close #463524 (closed).

• Now matches both SettingsBlock and SettingsSection.¹
• Now ignores templates in admin and profiles folders. These settings aren't searchable.

¹: I forgot that we actually have two different components for this. One is "Title + Expand/Collapse", the other is "Sticky title"... Sorry for not catching this before opening the first MR

How to set up and validate locally

• Checkout this branch, delete a searchable settings section and run lefthook run pre-push to see the new Danger output.
• Or check !162035 (closed) as a demo MR with such a warning in the Danger comment.

changed milestone to %17.3

added Category:Settings devopsmanage featureenhancement grouppersonal productivity sectioncore platform typefeature workflowin review labels

assigned to @thutterer

added pipelinetier-1 label

added backend label

	1 Warning
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	1 Message
	CHANGELOG missing: If this merge request needs a changelog entry, add the Changelog trailer to the commit message you want to add to the changelog. If this merge request doesn't need a CHANGELOG entry, feel free to ignore this message.

Reviewer roulette

Category	Reviewer	Maintainer
backend	@minahilnichols (UTC-4, 6 hours behind author)	@dmeshcharakou (UTC+2, same timezone as author)
~"Tooling"	Reviewer review is optional for ~"Tooling"	@splattael (UTC+2, same timezone as author)

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Generated by Danger

added 2 commits

• 8dc9ffa2 - Modify matching regexp in Dangerfile
• f8178a47 - Ignore admin templates

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added 1 commit

• a6f042ee - Ignore profile templates

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changed title from Modify matching regexp in Dangerfile to Improve matching patterns in "settings_sections" Dangerfile

changed the description

added 1 commit

• 091a80e9 - Add note how to get help

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changed the description

Hi @jennli Could you please review this small follow-up to yesterday's MR? Thanks!

requested review from @jennli

mentioned in issue #463524 (closed)

approved this merge request

added pipeline:mr-approved label

added pipelinetier-3 pipeline:run-e2e-omnibus-once labels and removed pipelinetier-1 label

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