feat: Port mssql contrib offline store to ibis by tokoko · Pull Request #4360 · feast-dev/feast

What this PR does / why we need it:

This PR refactors mssql offline store to use existing functions from ibis.py similar to the duckdb implementation. This will be the second ibis-based implementation so far. note that mssql is currently broken anyway because of a sqlalchemy version inconsistency. (#4066)

P.S. I'm still leaving mssql as a contrib. I'll add it to ci and move the code out from the contrib folder in a follow-up PR.