Throw reasonable error when incompatible temporal unit is used in time unit parameter (#46525)

* Throw reasonable error when incompatible temporal unit is used in time unit param

* Remove redundant function

* Add :curated flag to catch exceptions

* Update test/metabase/query_processor_test/date_bucketing_test.clj

Co-authored-by: Cam Saul <1455846+camsaul@users.noreply.github.com>

* Address review remarks

* Update test

* Make vars private

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Co-authored-by: Cam Saul <1455846+camsaul@users.noreply.github.com>