build(deps-dev): bump sinon from 19.0.5 to 21.0.3 #168

	# Combined lint, format, and typecheck workflow.
	# Replaces separate eslint.yml, prettier.yml, and run-tsc.yml to avoid
	# running npm install three times.
	name: Lint & Typecheck

	on:
	pull_request:
	workflow_dispatch:

	jobs:
	lint-and-typecheck:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v6

	- name: Setup Node.js
	uses: actions/setup-node@v6
	with:
	node-version: 22.x
	cache: 'npm'

	- name: Install dependencies
	run: npm install

	- name: Check Prettier
	run: make format

	- name: Check ESLint
	run: make eslint

	- name: Build (required for tsc)
	run: make

	- name: Typecheck
	run: npx tsc

Provide feedback