Update VE core submodule to master (74be717)

Also add MW configuration for ModelRegistry back, was removed in core.

New changes:
564c459 Localisation updates from https://translatewiki.net.
f30e061 Consistency in test header comments
74be717 Remove MW-specific config and genericise tests in ModelRegistry

Bug: 53148
Change-Id: I67e77bd41bbff52f88632ff9e4cf5e4c48251174