Unpin stubtest from 3.10.5 (#8523)

stdlib/sqlite3/dbapi2.pyi

@@ -217,7 +217,7 @@ def enable_callback_tracebacks(__enable: bool) -> None: ...
 # takes a pos-or-keyword argument because there is a C wrapper
 def enable_shared_cache(enable: int) -> None: ...
 
-if sys.version_info >= (3, 11):
+if sys.version_info >= (3, 10):
     def register_adapter(__type: type[_T], __adapter: _Adapter[_T]) -> None: ...
     def register_converter(__typename: str, __converter: _Converter) -> None: ...