Pin `macos` test runners to `macos-12` #2456

	# what?
	# Checks that a file has been committed under the /.changes directory
	# as a new CHANGELOG entry. Cannot check for a specific filename as
	# it is dynamically generated by change type and timestamp.
	# This workflow should not require any secrets since it runs for PRs
	# from forked repos.
	# By default, secrets are not passed to workflows running from
	# a forked repo.

	# why?
	# Ensure code change gets reflected in the CHANGELOG.

	# when?
	# This will run for all PRs going into main and *.latest. It will
	# run when they are opened, reopened, when any label is added or removed
	# and when new code is pushed to the branch. The action will then get
	# skipped if the 'Skip Changelog' label is present is any of the labels.

	name: Check Changelog Entry

	on:
	pull_request:
	types: [opened, reopened, labeled, unlabeled, synchronize]
	workflow_dispatch:

	defaults:
	run:
	shell: bash

	permissions:
	contents: read
	pull-requests: write


	jobs:
	changelog:
	uses: dbt-labs/actions/.github/workflows/changelog-existence.yml@main
	with:
	changelog_comment: 'Thank you for your pull request! We could not find a changelog entry for this change. For details on how to document a change, see the [dbt-spark contributing guide](https://github.com/dbt-labs/dbt-spark/blob/main/CONTRIBUTING.MD).'
	skip_label: 'Skip Changelog'
	secrets: inherit # this is only acceptable because we own the action we're calling

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