Allow forward-references on 3.14 #1634

Job	Run time
Build & verify package	14s
Check types using pyright	13s
Verify dev env	8s
Tests on pypy-3.10	21s
Run doctests & render changelog	18s
Tests & Mypy on 3.12	1m 5s
Tests & Mypy on 3.10	1m 7s
Tests & Mypy on 3.14	2m 18s
Tests & Mypy on 3.11	57s
Tests & Mypy on 3.13	1m 6s
Tests & Mypy on 3.9	28s
Combine & check coverage	11s
required-checks-pass	3s
	8m 29s

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