Migrate away from the deprecated checkMissingIterableValueType setting

Author: stof

phpstan.dist.neon

@@ -3,8 +3,8 @@ parameters:
     paths:
         - src
         - tests
-    checkMissingIterableValueType: false
     ignoreErrors:
+        - identifier: missingType.iterableValue # TODO remove this ignore rule once DriverInterface defines the appropriate value types
         - '#^Method Behat\\Mink\\Tests\\Driver\\Custom\\[^:]+Test(Case)?\:\:test\w*\(\) has no return type specified\.$#'
 
 includes: