use 5 as default phpstan level

Nielsvanpach · Nielsvanpach · commit 88149e7254e2 · 2023-12-18T09:25:52.000+01:00
diff --git a/phpstan.neon.dist b/phpstan.neon.dist
@@ -2,7 +2,7 @@ includes:
     - phpstan-baseline.neon
 
 parameters:
-    level: 4
+    level: 5
     paths:
         - src
         - config
