fix: Repair migration chain for group_member table

- Updated 0b80d222da03 merge migration to reference correct parents
- Chained 80d73eec17ce to depend on 37f288994c47 (group_member)
- Fixed broken reference to non-existent migration 9ff8e65eafda

backend/open_webui/migrations/versions/0b80d222da03_merge_gmail_sync_and_main_branch_.py

@@ -14,7 +14,7 @@ import open_webui.internal.db
 
 # revision identifiers, used by Alembic.
 revision: str = '0b80d222da03'
-down_revision: Union[str, None] = ('33cc3721a72', '9ff8e65eafda')
+down_revision: Union[str, None] = ('33cc3721a72', '80d73eec17ce')
 branch_labels: Union[str, Sequence[str], None] = None
 depends_on: Union[str, Sequence[str], None] = None
 

backend/open_webui/migrations/versions/80d73eec17ce_add_message_jsonb_indexes.py

@@ -17,7 +17,7 @@ from sqlalchemy.exc import ProgrammingError
 import logging
 
 revision = "80d73eec17ce"
-down_revision = "a5c220713937"
+down_revision = "37f288994c47"
 branch_labels = None
 depends_on = None