ci: Use taiki-e/github-actions/.github/workflows/test.yml reusable wo… #2081

Job	Run time
miri / miri	30s
msrv / prepare	4s
test / test (stable)	16s
tidy / prepare	6s
test / test (beta)	14s
test / test (nightly)	14s
test / test (nightly, macos-latest)	25s
test / test (nightly, windows-latest)	32s
msrv / build (ubuntu-latest)	9m 19s
msrv / build (windows-latest)	10m 7s
tidy / clippy	11s
tidy / tidy	42s
tidy / check-external-types	0s
tidy / deny / deny	12s
tidy / docs / docs	13s
	23m 5s

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