[TASK] Update jQuery to 1.11.1

Resolves: #59791
Releases: 6.3
Change-Id: I71e998b693144e313b1d8dbcf70b488ef143141a
Reviewed-on: https://review.typo3.org/31038
Reviewed-by: Markus Klein
Tested-by: Markus Klein
Reviewed-by: Marcin Sągol
Reviewed-by: Anja Leichsenring
Tested-by: Anja Leichsenring