Add CI for PyPy3.9 and PyPy3.10 #10

Job	Run time
test (macos-latest, 3.8, py38)	55s
test (macos-latest, 3.9, py39)	52s
test (macos-latest, 3.10, py310)	45s
test (macos-latest, 3.11, py311)	41s
test (macos-latest, 3.12, py312)	1m 1s
test (macos-latest, pypy3.8, pypy38)	2m 30s
test (macos-latest, pypy3.9, pypy39)	2m 47s
test (macos-latest, pypy3.10, pypy310)	2m 11s
test (windows-latest, 3.8, py38)	1m 12s
test (windows-latest, 3.9, py39)	1m 25s
test (windows-latest, 3.10, py310)	1m 11s
test (windows-latest, 3.11, py311)	1m 5s
test (windows-latest, 3.12, py312)	1m 17s
test (windows-latest, pypy3.8, pypy38)	2m 52s
test (windows-latest, pypy3.9, pypy39)	3m 31s
test (windows-latest, pypy3.10, pypy310)	3m 19s
test (ubuntu-latest, 3.8, py38)	32s
test (ubuntu-latest, 3.9, py39)	34s
test (ubuntu-latest, 3.10, py310)	32s
test (ubuntu-latest, 3.11, py311)	30s
test (ubuntu-latest, 3.12, py312)	35s
test (ubuntu-latest, pypy3.8, pypy38)	1m 16s
test (ubuntu-latest, pypy3.9, pypy39)	1m 23s
test (ubuntu-latest, pypy3.10, pypy310)	1m 17s
test (ubuntu-latest, 3.8, codestyle)	30s
test (ubuntu-latest, 3.8, lint)	31s
test (ubuntu-latest, 3.8, typecheck)	35s
	35m 49s

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