chore(deps): update dependency @types/diff to v6 #5330

	on:
	push:
	branches:
	- main
	pull_request:
	merge_group:
	name: ci
	jobs:
	test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	node: [18, 20]
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-node@v3
	with:
	node-version: ${{ matrix.node }}
	- run: node --version
	# The first installation step ensures that all of our production
	# dependencies work on the given Node.js version, this helps us find
	# dependencies that don't match our engines field:
	- run: npm install --production --engine-strict --ignore-scripts --no-package-lock
	# Clean up the production install, before installing dev/production:
	- run: rm -rf node_modules
	- run: npm install
	- run: npm test
	env:
	MOCHA_THROW_DEPRECATION: false
	windows:
	runs-on: windows-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-node@v3
	with:
	node-version: 18
	- run: npm install
	- run: npm test
	env:
	MOCHA_THROW_DEPRECATION: false
	lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-node@v3
	with:
	node-version: 18
	- run: npm install
	- run: npm run lint
	docs:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-node@v3
	with:
	node-version: 18
	- run: npm install
	- run: npm run docs
	- uses: JustinBeckwith/linkinator-action@v1
	with:
	paths: docs/
	build-action:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	repository: googleapis/release-please-action
	ref: main
	- uses: actions/setup-node@v3
	with:
	node-version: 18
	- run: npm install --save googleapis/release-please#${{ github.ref }}
	- run: npm run build

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