Update minimum PHP version in README #96

	name: Build

	on:
	push:
	branches: [master]
	pull_request:

	jobs:
	tests:
	services:
	mailhog:
	image: mailhog/mailhog:v1.0.0
	env:
	MH_SMTP_BIND_ADDR: 0.0.0.0:3025
	MH_API_BIND_ADDR: 0.0.0.0:10025
	MH_UI_BIND_ADDR: 0.0.0.0:10025
	ports:
	- 3025:3025
	- 10025:10025
	runs-on: ubuntu-latest
	name: Test
	strategy:
	fail-fast: false
	matrix:
	php: ["8.1", "8.2", "8.3"]

	steps:
	- uses: actions/checkout@v2

	- name: Setup PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: "${{ matrix.php }}"

	- name: Install dependencies
	run: composer update

	- name: Run tests
	run: make test

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