refactor(orm): rename Moderator model flag can_approve_posts to can_manage_posts

anonflow/database/orm.py

@@ -37,7 +37,7 @@ class Moderator(Base):
 
     user_id = Column(Integer, ForeignKey("users.user_id"), primary_key=True)
 
-    can_approve_posts = Column(Boolean, nullable=False, default=False)
+    can_manage_posts = Column(Boolean, nullable=False, default=False)
     can_manage_bans = Column(Boolean, nullable=False, default=False)
     can_manage_moderators = Column(Boolean, nullable=False, default=False)