Changelog (https://github.com/symfony/symfony/compare/v4.4.45...v4.4.46)

• bug #47547 [Ldap] Do not run ldap_set_option on failed connection (@tatankat)
• bug #47578 [Security] Fix AbstractFormLoginAuthenticator return types (@AndrolGenhald)
• bug #47614 [FrameworkBundle] Fix a phpdoc in mailer assertions (@HeahDude)
• bug #47516 [HttpFoundation] Prevent BinaryFileResponse::prepare from adding content type if no content is sent (@naitsirch)
• bug #47533 [Messenger] decode URL-encoded characters in DSN's usernames/passwords (@xabbuh)
• bug #47530 [HttpFoundation] Always return strings from accept headers (@ausi)
• bug #47497 [Bridge] Fix mkdir() race condition in ProxyCacheWarmer (@andrey-tech)
• bug #47415 [HttpClient] Psr18Client ignore invalid HTTP headers (@nuryagdym)
• bug #47435 [HttpKernel] lock when writting profiles (@nicolas-grekas)
• bug #47437 [Mime] Fix email rendering when having inlined parts that are not related to the content (@fabpot)
• bug #47434 [HttpFoundation] move flushing outside of Response::closeOutputBuffers (@nicolas-grekas)
• bug #47351 [FrameworkBundle] Do not throw when describing a factory definition (@MatTheCat)
• bug #47403 [Mailer] Fix edge cases in STMP transports (@fabpot)

[PR] https://github.com/symfony/symfony/pull/47737