Add note to migration guide about lexeme tables (fix #7290)
Add note to migration guide about lexeme tables (fix #7290)

This just adds the resolution from #6388 to the docs.

explosion/spaCy,explosion/spaCy,explosion/spaCy,explosion/spaCy,explosion/spaCy,honnibal/spaCy,honnibal/spaCy,honnibal/spaCy,explosion/spaCy,honnibal/spaCy