PR for latest Grype release #540

	name: PR for latest Grype release
	on:
	schedule:
	# 7:04 UTC (2:04 am EST)
	- cron: "4 7 * * *"

	# Allows you to run this workflow manually from the Actions tab
	workflow_dispatch:

	jobs:
	upgrade-grype:
	runs-on: ubuntu-latest
	if: github.repository == 'anchore/scan-action'
	steps:
	- uses: actions/checkout@v3
	- name: Get latest Grype version
	id: latest-version
	env:
	GITHUB_TOKEN: ${{ github.token }}
	run: \|
	LATEST_VERSION=$(gh release view --json name -q '.name' -R anchore/grype)
	echo "exports.GRYPE_VERSION = \"$LATEST_VERSION\";" > GrypeVersion.js
	# install husky hooks and dependencies:
	npm install
	npm run build
	# export the version for use with create-pull-request:
	echo "LATEST_VERSION=$LATEST_VERSION" >> $GITHUB_OUTPUT
	- uses: tibdex/github-app-token@v1
	id: generate-token
	with:
	app_id: ${{ secrets.TOKEN_APP_ID }}
	private_key: ${{ secrets.TOKEN_APP_PRIVATE_KEY }}
	- uses: peter-evans/create-pull-request@v4
	with:
	signoff: true
	delete-branch: true
	branch: auto/latest-grype
	labels: dependencies
	commit-message: "chore(deps): update Grype to ${{ steps.latest-version.outputs.LATEST_VERSION }}"
	title: "chore(deps): update Grype to ${{ steps.latest-version.outputs.LATEST_VERSION }}"
	body: "Update Grype to ${{ steps.latest-version.outputs.LATEST_VERSION }}"
	token: ${{ steps.generate-token.outputs.token }}

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