.github/workflows/test.yml: run phpstan on PHP 8.4 and ask phpunit to…

… display warnings and deprecations

.github/workflows/test.yml

@@ -47,7 +47,7 @@ jobs:
         docker exec arche-dev a2dissite mod_php
         docker exec arche-dev a2ensite php_fpm
         docker exec -w /root arche-dev supervisorctl restart apache2
-        docker exec -t -e XDEBUG_MODE=coverage -u www-data arche-dev vendor/bin/phpunit
+        docker exec -t -e XDEBUG_MODE=coverage -u www-data arche-dev vendor/bin/phpunit --display-deprecations --display-phpunit-deprecations --display-notices --display-warnings
     - name: coveralls
       run: |
         export COVERALLS_RUN_LOCALLY=1
@@ -76,6 +76,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
+    - uses: shivammathur/setup-php@v2
+      with:
+        php-version: 8.4
     - uses: actions/cache@v4
       with: 
         path: vendor