The corresponding vertex group was renamed properly, but the armature
influence was broken for that bone.
Caused by {rB3b6ee8cee708}.
Since above commit, vertex group names are stored on object data (mesh/
lattice/gpencil) and if we update these, we have to inform dependency
graph to have immediate effect.
Maniphest Tasks: T93892
Differential Revision: https://developer.blender.org/D13526