Migrate to pygls `v2.0a2` #308

	name: 'PR: vscode'
	on:
	pull_request:
	branches:
	- develop
	- release
	paths:
	- 'code/**'

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: 'actions/checkout@v4'

	- uses: 'actions/setup-node@v4'
	with:
	node-version: 20.x
	cache: 'npm'
	cache-dependency-path: 'code/package-lock.json'

	- uses: 'actions/setup-python@v5'
	with:
	# This must be the minimum Python version we support
	python-version: "3.9"

	- name: Pip cache
	uses: actions/cache@v4
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-vscode-pip-deps-${{ hashFiles('code/requirements.txt') }}
	restore-keys: \|
	${{ runner.os }}-vscode-pip-deps

	- run: \|
	python --version
	python -m pip install --upgrade pip
	python -m pip install --upgrade hatch towncrier
	name: Install Build Tools

	- run: \|
	set -e
	./scripts/make_release.py lsp
	./scripts/make_release.py vscode
	name: Set Versions

	- run: \|
	set -e
	cd lib/esbonio
	hatch build
	echo "ESBONIO_WHL=$(find $(pwd)/dist -name '*.whl')" >> $GITHUB_ENV
	name: Package Language Server

	- run: \|
	set -e
	cd code

	# Use in-repo version of esbonio for dev builds
	echo "whl=${ESBONIO_WHL}"
	ESBONIO=${ESBONIO_WHL} make dist
	id: assets
	name: Package Extension

	- name: 'Upload Artifact'
	uses: actions/upload-artifact@v4
	with:
	name: 'vsix'
	path: code/*.vsix
	if-no-files-found: error
	retention-days: 7

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