[202205][utilities] advance submodule head

utilities:
* 4b7335f 2022-11-29 | Add db_migrator_constants.py script to setup.py (#2534) (HEAD -> 202205) [Vaibhav Hemant Dixit]
* 8a78cf4 2022-11-23 | Port 202012 DB migration changes to newer branches (#2515) (HEAD -> 202205) [Vaibhav Hemant Dixit]

Signed-off-by: Ying Xie <ying.xie@microsoft.com>