[BUGFIX] Raise minimum version of symfony/mime to 4.4.16 / 5.1.8

A serialization issue has been fixed in symfony/mime 4.4.16 / 5.1.8
which has to be used as minimum version.

https://github.com/symfony/symfony/commit/fd99eb26d893390b45c214f4884fea090f1c1178

Resolves: #98052
Releases: 10.4
Change-Id: Ie444aee39685b2f72fc77171fa56040db6a7cf7c
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/75330


Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Oliver Klee <typo3-coding@oliverklee.de>
Tested-by: Stefan Bürk <stefan@buerk.tech>