chore(quality) #143 Improve PHPStan level from 6 to 7 and fix the level 8 errors not requiring a signature change: explicit exceptions instead of TypeError / Error on edge cases (CsvResource, XpathEvaluatorTransformer, SlugifyTransformer, GenericTransformer, TransformerTrait, RegistryCompilerPass, SubprocessInstance), safe defaults in ProcessState, ConditionTrait, IterableBatchTask and JsonStreamReaderTask · cleverage/process-bundle@89d0756