[1.0] Implement GitHub actions to run Pest test suite

Review threads live on the whole diff, not on one commit, so none are shown here - a thread's line means something in the branch's final form, and painting it into an intermediate step would put it on code it is not about.

.github/workflows/test.ymlmodified+1-2

Changes to .github/workflows/test.yml

		⋯7 linesShow the 7 lines above this hunk@@ -8,7 +8,7 @@ jobs:
8	8	strategy:
9	9	fail-fast: false
10	10	matrix:
11		- php: [7.3, 7.4, 8.0]
	11	+ php: [7.4, 8.0]
12	12	laravel: [7.*, 8.*]
13	13	dependency-version: [prefer-lowest, prefer-stable]
14	14	include:
		⋯29 linesShow the 29 lines above this hunk@@ -44,7 +44,6 @@ jobs:
44	44
45	45	- name: Install dependencies
46	46	run: |
47		- composer install
48	47	composer update --${{ matrix.dependency-version }} --prefer-dist --no-interaction --no-suggest
49	48
50	49	- name: Create .env file