add support for python 3.14 #64

Job	Run time
lint / lint	24s
typecheck / build	31s
variants / build (3.13, ubuntu-latest)	7s
variants / build (3.9, windows-latest)	2m 10s
variants / build (3.9, ubuntu-latest)	9s
variants / build (3.13, macos-latest)	8s
variants / build (3.9, macos-latest)	30s
tests / build (3.10, windows-latest)	59s
tests / build (3.10, macos-latest)	16s
tests / build (3.10, ubuntu-latest)	25s
tests / build (3.11, windows-latest)	1m 8s
tests / build (3.9, ubuntu-latest)	26s
tests / build (3.11, ubuntu-latest)	21s
variants / build (3.13, windows-latest)	2m 5s
tests / build (3.11, macos-latest)	18s
tests / build (3.13, windows-latest)	47s
tests / build (3.12, macos-latest)	21s
tests / build (3.13, ubuntu-latest)	27s
tests / build (3.14, macos-latest)	15s
tests / build (3.12, windows-latest)	1m 14s
tests / build (3.14, ubuntu-latest)	25s
tests / build (3.12, ubuntu-latest)	12s
tests / build (3.14, windows-latest)	1m 10s
tests / build (3.9, windows-latest)	59s
tests / build (3.13, macos-latest)	19s
Build & verify package	0s
Publish in-dev package to test.pypi.org	0s
docs	0s
Publish released package to pypi.org	0s
	16m 6s

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