Tests

remove duplicate contributor #38

Job	Run time
Test suite with py38-ubuntu, mypyc-compiled	18m 49s
Test mypyc suite with 32-bit Python	7m 16s
Test suite with py38-windows-64	20m 56s
Test suite with py39-ubuntu	20m 24s
Test suite with py310-ubuntu	17m 0s
Test suite with py311-ubuntu, mypyc-compiled	17m 7s
Test suite with py312-ubuntu, mypyc-compiled	19m 4s
Test suite with py313-ubuntu, mypyc-compiled	18m 51s
mypyc runtime tests with py39-macos	5m 30s
Type check our own code (py38-ubuntu)	2m 1s
Type check our own code (py38-windows-64)	2m 35s
Formatting and code style with Black + ruff	56s
	2h 30m 29s

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