Update VS Code #69

	name: Update VS Code

	on:
	workflow_dispatch:
	schedule:
	# At 07:00 UTC on day-of-month 1. Use https://crontab.guru/ to edit this.
	- cron: '0 7 1 * *'

	jobs:
	# Update the version of rustc, open a PR and assign a developer.
	update:
	runs-on: ubuntu-latest
	steps:
	- name: Check out the repo
	uses: actions/checkout@v3

	- name: Update VS Code version used by the tests
	run: \|
	TEST_VSCODE_VERSION="$(cat src/test/scenarios/vscode-version)"
	echo "The current version of VS Code used in tests is $TEST_VSCODE_VERSION"
	LATEST_VSCODE_VERSION="$(
	curl -s https://api.github.com/repos/microsoft/vscode/releases/latest \| jq -r '.tag_name'
	)"
	echo "The latest version of VS Code is $LATEST_VSCODE_VERSION"
	echo "$LATEST_VSCODE_VERSION" > src/test/scenarios/vscode-version
	echo "TEST_VSCODE_VERSION=$TEST_VSCODE_VERSION" >> $GITHUB_ENV
	echo "LATEST_VSCODE_VERSION=$LATEST_VSCODE_VERSION" >> $GITHUB_ENV

	- name: Open a pull request
	uses: peter-evans/create-pull-request@v3
	if: env.TEST_VSCODE_VERSION != env.LATEST_VSCODE_VERSION
	with:
	# Use viper-admin's token to workaround a restriction of GitHub.
	# See: https://github.com/peter-evans/create-pull-request/issues/48
	token: ${{ secrets.VIPER_ADMIN_TOKEN }}
	commit-message: Update VS Code to ${{ env.LATEST_VSCODE_VERSION }}
	title: Update VS Code to ${{ env.LATEST_VSCODE_VERSION }}
	branch: auto-update-vscode
	delete-branch: true
	body: \|
	* Update VS Code version used in tests to `${{ env.LATEST_VSCODE_VERSION }}`.

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