[SL-UP] Add application callback to allow the application to inject logic #27

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	#
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	name: Check for Unintentional Submodule Updates

	on:
	pull_request:
	branches-ignore:
	- "dependabot/**"
	paths:
	- "third_party/**"
	- ".gitmodules"

	jobs:
	check-submodule-update-label:
	name: Check For Submodule Update Label
	runs-on: ubuntu-latest
	steps:
	- if: ${{ !contains(github.event.pull_request.labels.*.name, 'changing-submodules-on-purpose') }}
	name: Fail
	run: \|
	echo This pull request attempts to update submodules without the changing-submodules-on-purpose label. Please apply that label if the changes are intentional, or remove those changes.
	exit 1
	- if: ${{ contains(github.event.pull_request.labels.*.name, 'changing-submodules-on-purpose') }}
	name: Success
	run: \|
	echo PR looks good.
	exit 0

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