chore: Assign the dummy entity a value type by blaketastic2 · Pull Request #5098 · feast-dev/feast
What this PR does / why we need it:
Meant to clean up the following log message:
DeprecationWarning: Entity value_type will be mandatory in the next release. Please specify a value_type for entity '__dummy'. DUMMY_ENTITY = Entity(
Which issue(s) this PR fixes:
Misc
The choice of using ValueType.UNKNOWN was simply to pick something as the default.