[VENDOR] Revert composer.lock to LRN-SDK 0.10.3
[VENDOR] Revert composer.lock to LRN-SDK 0.10.3

The lockfile was in an inconsistent state wrt. what was actually installed.

Fixing it in this way is the safest, rather than effectively bumping everything to v1.0.0

Signed-off-by: Olivier Mehani <9858fe98d2c7f5f35e0d2a08f134cfc58afd42d3@learnosity.com>

Learnosity/learnosity-demos,Learnosity/learnosity-demos,Learnosity/learnosity-demos,Learnosity/learnosity-demos