Let PHPStan check array and iterable types & generics

[yann-eugone]

No description provided.

[codecov]

Codecov Report

Merging #27 (38baa37) into 0.x (f6dd76a) will decrease coverage by 0.06%.
The diff coverage is 92.85%.

@@             Coverage Diff              @@
##                0.x      #27      +/-   ##
============================================
- Coverage     91.52%   91.46%   -0.07%     
  Complexity      560      560              
============================================
  Files            85       85              
  Lines          1629     1629              
============================================
- Hits           1491     1490       -1     
- Misses          138      139       +1     

Impacted Files	Coverage Δ
src/batch-box-spout/src/FlatFileReader.php	94.44% <ø> (ø)
src/batch-box-spout/src/FlatFileWriter.php	94.28% <ø> (ø)
...atch-doctrine-dbal/src/DoctrineDBALQueryReader.php	100.00% <ø> (ø)
...ch-doctrine-dbal/src/JobExecutionRowNormalizer.php	97.70% <ø> (ø)
src/batch-symfony-console/src/CommandRunner.php	86.36% <ø> (ø)
...rk/src/DependencyInjection/YokaiBatchExtension.php	80.59% <ø> (ø)
...c/batch-symfony-messenger/src/LaunchJobMessage.php	100.00% <ø> (ø)
...ymfony-serializer/src/DenormalizeItemProcessor.php	100.00% <ø> (ø)
...-symfony-serializer/src/NormalizeItemProcessor.php	100.00% <ø> (ø)
...symfony-validator/src/SkipInvalidItemProcessor.php	94.11% <ø> (ø)
... and 26 more

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[yann-eugone]

Code coverage decrease is not significant here, because this is all about comments.