Run phpstan checks, try improve CI matrix

.github/workflows/continuous-integration.yml

@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - {php-version: "7.4"}
+          - {php-version: "7.4", "8.1", "8.2", "8.3-rc"}
     steps:
       - name: "Checkout"
         uses: "actions/checkout@v4"
@@ -58,6 +58,8 @@ jobs:
       matrix:
         include:
           - {glpi-version: "10.0", php-version: "7.4", db-image: "mysql:8.0"}
+          - {glpi-version: "10.0", php-version: "8.2", db-image: "mysql:8.0"}
+          - {glpi-version: "main", php-version: "8.2", db-image: "mysql:8.0"}
     services:
       app:
         image: "ghcr.io/glpi-project/githubactions-php:${{ matrix.php-version }}"
@@ -95,3 +97,5 @@ jobs:
           docker exec ${{ job.services.app.id }} bin/console glpi:database:install --ansi --no-interaction --db-name=glpi --db-host=db --db-user=root --strict-configuration
           docker exec ${{ job.services.app.id }} bin/console glpi:plugin:install --ansi --no-interaction --username=glpi oauthimap
           docker exec ${{ job.services.app.id }} bin/console glpi:plugin:activate --ansi --no-interaction oauthimap
+      - name: PHPStan checks
+        run: docker exec cd glpi/plugins/fields && php vendor/bin/phpstan analyze --ansi --memory-limit=1G --no-interaction --no-progress