Add more robust support for line number, column number and byte number tracking to the lexer #444

	name: Stage app for PR preview
	on:
	pull_request:
	types: [opened, reopened, synchronize, closed]

	jobs:
	staging_app:
	runs-on: ubuntu-latest

	# Only run one deployment at a time per PR.
	concurrency:
	group: scrapscript-pr-${{ github.event.number }}

	# Create a GitHub deployment environment per staging app so it shows up
	# in the pull request UI.
	environment:
	name: scrapscript-pr-${{ github.event.number }}
	url: ${{ steps.deploy.outputs.url }}/repl

	steps:
	- uses: actions/checkout@v4

	- name: Deploy
	id: deploy
	uses: superfly/fly-pr-review-apps@1.2.1
	with:
	name: scrapscript-pr-${{ github.event.number }}
	region: ewr
	org: personal
	env:
	FLY_API_TOKEN: ${{ secrets.FLY_API_DEPLOY_TOKEN }}

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