phpunit github action

.github/workflows/run-tests.yml

@@ -0,0 +1,22 @@
+name: run-tests
+
+on: [push, pull_request]
+
+jobs:
+  run-tests:
+    runs-on: ubuntu24.04
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.2'
+          extensions: curl, zip, mbstring
+          coverage: none
+
+      - name: Install dependencies
+        run: composer install --no-progress --no-suggest
+
+      - name: Run PHPUnit
+        run: ./vendor/bin/phpunit --testdox --no-progress