update dependencies #23

	name: update dependencies
	on:
	push:
	branches:
	- main
	schedule:
	# 毎週土曜 06:00 JST
	- cron: '0 21 * * 5'
	jobs:
	update-dependencies:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	- name: Enable Node.js
	uses: actions/setup-node@v3
	with:
	node-version: '16.13.1'
	- name: Install
	run : npm install
	- name: Update dependencies version
	# --target minor minorバージョンまで上げる
	# --dep prod devDependenciesは無視
	run : npx ncu -u --target minor --dep prod
	- name: Check diff
	id: diff
	run: echo "count=$(git diff --name-only \| wc -l)" >> $GITHUB_OUTPUT
	- name: Install update
	# 以降は差分がある場合のみ実行
	if: steps.diff.outputs.count > 0
	run : npm update
	- name: Commit update
	# 更新差分を一旦コミット
	if: steps.diff.outputs.count > 0
	run: \|
	git config --global user.email "action@github.com"
	git config --global user.name "actions-user"
	git add .
	git commit -m "bump version of dependencies"
	- name: Bump version
	if: steps.diff.outputs.count > 0
	run: npm version patch
	- name: Create Pull Request
	if: steps.diff.outputs.count > 0
	uses: peter-evans/create-pull-request@v4
	with:
	base: 'main'
	branch: 'auto-update'
	branch-suffix: 'timestamp'
	title: 'Bump dependencies version'
	body: '[npm-check-updates](https://www.npmjs.com/package/npm-check-updates) bump version of dependencies. This PR made by [create-pull-request](https://github.com/peter-evans/create-pull-request) GitHub action'

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