[TASK] Proper sorting of Sphinx versions in EM

Change-Id: I7e177166cd0e40c0313eaaf6750b2187a9ae6284
Resolves: #57293
Reviewed-on: https://review.typo3.org/28808
Reviewed-by: Xavier Perseguers
Tested-by: Xavier Perseguers
[TASK] Raise version to 1.4.0-dev

Change-Id: I431c918efb4880b59f418d727e326085d18a3d4a
Reviewed-on: https://review.typo3.org/28809
Reviewed-by: Xavier Perseguers
Tested-by: Xavier Perseguers