reduce range of tests #364

Job	Run time
Unit tests (ubuntu-latest, 3.9, <1.23, <5.1)	55s
Doc test (ubuntu-latest, 3.10)	19s
API doc completeness test (ubuntu-latest, 3.10)	31s
Unit tests (ubuntu-latest, 3.9, <1.23, <6.0)	54s
Test coverage (ubuntu-latest, 3.10)	1m 2s
Unit tests (ubuntu-latest, 3.9, <1.23, <7.0)	54s
Unit tests (ubuntu-latest, 3.9, <1.24, <5.1)	56s
Unit tests (ubuntu-latest, 3.9, <1.24, <6.0)	52s
Style check (ubuntu-latest, 3.10)	8s
Unit tests (ubuntu-latest, 3.9, <1.24, <7.0)	1m 1s
Unit tests (ubuntu-latest, 3.9, <2.0, <5.1)	55s
Unit tests (ubuntu-latest, 3.9, <2.0, <6.0)	50s
Unit tests (ubuntu-latest, 3.9, <2.0, <7.0)	55s
Unit tests (ubuntu-latest, 3.10, <1.23, <5.1)	57s
Unit tests (ubuntu-latest, 3.10, <1.23, <6.0)	55s
Unit tests (ubuntu-latest, 3.10, <1.23, <7.0)	53s
Unit tests (ubuntu-latest, 3.10, <1.24, <5.1)	54s
Unit tests (ubuntu-latest, 3.10, <1.24, <6.0)	51s
Unit tests (ubuntu-latest, 3.10, <1.24, <7.0)	52s
Unit tests (ubuntu-latest, 3.10, <2.0, <5.1)	1m 0s
Unit tests (ubuntu-latest, 3.10, <2.0, <6.0)	51s
Unit tests (ubuntu-latest, 3.10, <2.0, <7.0)	50s
	18m 15s

Provide feedback