Update symfony packages

This MR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
symfony/dotenv (source)	6.3.0 -> 6.3.7
symfony/flex	2.4.0 -> 2.4.1
symfony/framework-bundle (source)	6.3.6 -> 6.3.7
symfony/yaml (source)	6.3.3 -> 6.3.7

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Release Notes

symfony/dotenv (symfony/dotenv)

v6.3.7

Compare Source

Changelog (https://github.com/symfony/dotenv/compare/v6.3.6...v6.3.7)

• no significant changes

symfony/flex (symfony/flex)

v2.4.1

Compare Source

What's Changed

• Fix keeping platform requirements when rebooting composer by @​nicolas-grekas in https://github.com/symfony/flex/pull/968
• Decouple psr-http-message-bridge from extra.symfony.require for versions before 6.4 by @​nicolas-grekas in https://github.com/symfony/flex/pull/1003

Full Changelog: https://github.com/symfony/flex/compare/v2.4.0...v2.4.1

symfony/framework-bundle (symfony/framework-bundle)

v6.3.7

Compare Source

Changelog (https://github.com/symfony/framework-bundle/compare/v6.3.6...v6.3.7)

• no significant changes

symfony/yaml (symfony/yaml)

v6.3.7

Compare Source

Changelog (https://github.com/symfony/yaml/compare/v6.3.6...v6.3.7)

• bug symfony/symfony#52332 [Yaml] Fix deprecated passing null to trim() (@​javaDeveloperKid)

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