#149 - Clean up composer.json dependencies

[njoubert-cleverage]

Description

Fixes #149: clean up composer.json (same cleanup as cleverage/process-bundle#268, part of the dependency check of process-bundle and all the bridges).

Changes

• Removed (not used in src/, config/, templates/, tests/): symfony/dotenv, symfony/runtime (application concerns: .env loading, bin/console, public/index.php), ext-ctype, ext-iconv (Symfony skeleton leftovers).
• doctrine/common → doctrine/collections: the only Doctrine\Common\* class used is ArrayCollection (DoctrineProcessHandler).
• Required, used directly but only installed transitively (lower bounds = the ones already imposed by their current providers, so no installable set of packages is removed):

Package	Constraint	Direct usage	Lower bound from
doctrine/collections	^1.5 || ^2.1 || ^3.1	ArrayCollection	doctrine/orm 2.20 / 3.x
doctrine/migrations	^3.2	AbstractMigration (all migrations)	doctrine/doctrine-migrations-bundle 3.7
doctrine/persistence	^3.1 || ^4	ManagerRegistry	doctrine/doctrine-bundle 2.18
psr/log	^2 || ^3	LoggerInterface	monolog/monolog 3
symfony/event-dispatcher-contracts	^3	Symfony\Contracts\EventDispatcher	cleverage/process-bundle
symfony/twig-bundle	^6.4 || ^7.4 || ^8	Templates, twig.extension tags, <twig:…> components	same range as the other Symfony packages
twig/twig	^3.23	src/Twig extensions	easycorp/easyadmin-bundle 5.0 (Twig 4 only exists as an alpha)

• require-dev: twig/extra-bundle ^3.23 (TestKernel), symfony/property-access ^6.4 || ^7.4 || ^8 (LogRecordTest).
• CHANGELOG (Latest).

Differs from the issue: symfony/runtime is kept in config.allow-plugins. The released cleverage/process-bundle v5.3 still requires symfony/runtime (cleverage/process-bundle#268 is merged but not released): without the entry, composer update fails ("blocked by your allow-plugins config"). Development config only; it can be removed once a process-bundle release includes #268.

Checks

• composer validate --strict: OK.
• After composer update: doctrine/common no longer installed, symfony/dotenv / symfony/runtime only installed through cleverage/process-bundle v5.3; 397 tests OK, PHPStan OK (no PHP / Twig change).
• With composer update --prefer-lowest -W on the added packages (collections 2.2.0, migrations 3.9.5, persistence 4.0.0, psr/log 3.0.0, event-dispatcher-contracts 3.0.0, twig 3.27.0, extra-bundle 3.23.0, as allowed by the other requirements): 397 tests OK.

Requirements

• Documentation updates
  • Reference
  • Cookbooks
  • Changelog
• Unit tests

Breaking changes

None for the bundle API. Minor: once cleverage/process-bundle is released without them too, an application relying on the bundles to install symfony/dotenv / symfony/runtime must require them (the Symfony skeleton already does; the demo does since cleverage/process-bundle-demo#81).

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