changed #360

	name: Update advisories

	on:
	repository_dispatch:
	types: [ changed ]

	jobs:
	update-advisories:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Checkout ruby-advisory-db
	uses: actions/checkout@v2
	with:
	repository: rubysec/ruby-advisory-db
	path: _advisories
	- name: Set up Ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: ruby
	- name: Install dependencies
	run: bundle install --jobs 4 --retry 3
	- name: Generate advisories
	run: bundle exec rake advisories:generate
	- name: Get latest advisory commit
	id: git-commit
	working-directory: _advisories
	run: \|
	echo "::set-output name=author::$(git show -s --format='%an <%ae>')"
	echo "::set-output name=hash::$(git rev-parse --short HEAD)"
	- name: Commit any updates
	uses: stefanzweifel/git-auto-commit-action@v4
	with:
	commit_message: "Updated advisory posts against rubysec/ruby-advisory-db@${{ steps.git-commit.outputs.hash }}"
	file_pattern: advisories/_posts/*.md
	commit_user_name: RubySec CI
	commit_user_email: ci@rubysec.com
	commit_author: ${{ steps.git-commit.outputs.author }}

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