get_execution_data -> evaluate_tick
Summary: title. We're likely going ot make get_execution_data a public API via sensor and schedule testing, and the name is obtuse. This diff changes the name to be something that matches functionality in Dagit.
Test Plan: unit
Reviewers: sandyryza, alangenfeld, prha
Reviewed By: sandyryza, prha
Differential Revision: https://dagster.phacility.com/D8112