Phpstan: support max keyword

Author: h4kuna

.github/workflows/checks.yml

@@ -32,7 +32,7 @@ jobs:
         run: vendor/bin/php-cs-fixer fix -v --dry-run
 
       - name: PhpStan
-        run: vendor/bin/phpstan analyse --level 9 src
+        run: vendor/bin/phpstan analyse --level max src
 
   tests:
     name: Unit Tests [PHP ${{ matrix.php-versions }}]

Makefile

@@ -31,7 +31,7 @@ cs.check:
 
 stan:
 	PHP=81 make composer.update
-	docker exec 68publishers.asset.81 vendor/bin/phpstan analyse --level 9 src
+	docker exec 68publishers.asset.81 vendor/bin/phpstan analyse --level max src
 
 coverage:
 	PHP=81 make composer.update