Declare GIL not used #214

Job	Run time
lint	26s
package-checks (docs)	44s
package-checks (twine_check)	2m 1s
test-dynamic (macos-13, python)	4m 43s
test-dynamic (windows-latest, python)	4m 57s
test-dynamic (ubuntu-latest, python)	2m 23s
test-arch	0s
test-static (macos-latest, 3.12)	2m 22s
test-static (3.12, ubuntu-latest)	2m 0s
test-static (3.14, ubuntu-latest)	1m 47s
test-static (3.10, ubuntu-latest)	1m 53s
test-static (3.11, ubuntu-latest)	1m 51s
test-static (3.14t, ubuntu-latest)	1m 53s
test-static (pypy-3.11, ubuntu-latest)	2m 48s
test-static (macos-13, 3.10)	3m 4s
test-static (3.13, ubuntu-latest)	2m 4s
test-dynamic (ubuntu-latest, pypy)	3m 13s
test-dynamic (macos-latest, python)	2m 33s
test-static (windows-latest, 3.10)	4m 13s
test-static (pypy-3.10, ubuntu-latest)	2m 34s
deploy	0s
	47m 29s

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