Add dedicated PHPUnit 11 CI job

.github/workflows/tests.yaml

@@ -26,6 +26,10 @@ jobs:
         dependencies: ['highest']
         coverage: ['xdebug']
         include:
+          - description: 'PHPUnit 11'
+            coverage: 'xdebug3'
+            php: '8.3'
+            phpunit: "^11"
           - description: 'Xdebug 2'
             coverage: 'xdebug2'
             php: '8.1'
@@ -46,6 +50,8 @@ jobs:
           coverage: ${{ matrix.coverage }}
       - run: composer remove --dev facile-it/facile-coding-standard --no-update
         if: matrix.dependencies == 'lowest'
+      - run: composer require phpunit/phpunit {{ matrix.phpunit }} --no-update
+        if: matrix.phpunit
       - uses: ramsey/composer-install@v2
         with:
           dependency-versions: ${{ matrix.dependencies }}

docker/Dockerfile

@@ -1,4 +1,4 @@
-FROM php:8.1-alpine
+FROM php:8.2-alpine
 
 RUN apk --no-cache add \
         $PHPIZE_DEPS \