Update git submodules
- Update Wikibase from branch 'master' to 772e783ec506b6b394ff9da58d1de81a33d6f729
- Merge "REST: Refactor AddPropertyStatement and AddPropertyAliasesInLanguage route handlers validation"
- REST: Refactor AddPropertyStatement and AddPropertyAliasesInLanguage route handlers validation
- use getBodyParamSettings instead of getBodyParamSettings
- remove AssertContentType since that's now done by core
- override validate() instead of parseBodyData() for top-level validation
Bug: T363084 Change-Id: I88e242e84ea22a9229f5461acf159ee0820ed01d