Update security bugfix

Update security bugfix with functions from Contao Open Source CMS project for injections 

see comments to https://github.com/kevinrenskers/dmmjobcontrol/commit/68a0148048eacc3aeaf084b12c242a399b42be41

This fixes the problem with categories that do have whitespace or other umlauts in it.

Source:
https://github.com/contao/core/blob/3.3.5/system/modules/core/library/Contao/Input.php