Merge pull request TYPO3-directmail#464 from kartolo/task/460_packagi…

…st_release

Task TYPO3-directmail#460: fix composer.json to be able to release to packagist

Merge pull request TYPO3-directmail#453 from kartolo/hotfix/202311011…

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[Security] prevent user to input multiline value

Merge pull request TYPO3-directmail#454 from kartolo/hotfix/202311011…

…0000013_v6

[Security] prevent user to input multiline value

Merge pull request TYPO3-directmail#455 from kartolo/hotfix/202311011…

…0000013_v7

[Security] prevent user to input multiline value

Merge branch '11.x'

Merge pull request TYPO3-directmail#423 from kartolo/419_php_warning

[BUGFIX] fix PHP warning

Merge pull request TYPO3-directmail#416 from SSFGizmo/11.x

11.x

Merge pull request TYPO3-directmail#395 from SSFGizmo/11.x

11.x

Merge pull request TYPO3-directmail#393 from SSFGizmo/11.x

11.x