Migrate our CI to run on GitHub Actions (#51)

We are moving our CI off of Semaphore

Author: Jason Roelofs

.github/workflows/ci.yml

@@ -0,0 +1,43 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - 'main'
+  pull_request: {}
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  test:
+    name: Test PHP ${{ matrix.php }} Laravel ${{ matrix.laravel }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        php: ['8.1', '8.2', '8.3']
+        laravel: ['7.*', '8.*', '9.*', '10.*']
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          extensions: dom, curl, libxml, mbstring, zip, pcntl, pdo, sqlite, pdo_sqlite, bcmath, soap, intl, gd, exif, iconv
+          tools: composer
+          coverage: none
+
+      - name: Run composer install
+        run: |
+          composer require "laravel/framework:${{ matrix.laravel }}" --no-interaction --no-update
+          composer update --no-interaction --no-suggest --prefer-dist
+
+      - name: Lint and formatting
+        run: |
+          composer run-script format-check
+
+      - name: Run tests
+        run: |
+          composer run-script test