minor #125 do not validate generics in PhpStan (xabbuh)

This PR was squashed before being merged into the 0.2-dev branch.

Discussion
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do not validate generics in PhpStan

Commits
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358bf43 allow the Symfony Flex plugin
1e234d8 do not validate generics in PhpStan

Author: xabbuh

.github/workflows/ci.yaml

@@ -137,6 +137,7 @@ jobs:
           COMPOSER_OPTIONS: '${{ matrix.composer-options }}'
           SYMFONY_REQUIRE: '${{ matrix.symfony-version }}'
         run: |
+          composer global config --no-plugins allow-plugins.symfony/flex true
           composer global require --no-progress --no-scripts --no-plugins symfony/flex
           composer update --no-progress $COMPOSER_OPTIONS
 

phpstan.neon

@@ -2,6 +2,7 @@ includes:
     - phar://vendor/phpstan/phpstan/phpstan.phar/conf/config.levelmax.neon
 
 parameters:
+    checkGenericClassInNonGenericObjectType: false
     checkMissingIterableValueType: false
     inferPrivatePropertyTypeFromConstructor: true
     paths: