feat(sqlalchemy): fix wrong column types

backend/apps/webui/models/users.py

@@ -21,7 +21,7 @@ class User(Base):
     name = Column(String)
     email = Column(String)
     role = Column(String)
-    profile_image_url = Column(String)
+    profile_image_url = Column(Text)
 
     last_active_at = Column(BigInteger)
     updated_at = Column(BigInteger)