Accept a PEP 440 version specifier for required-version #25307

Job	Run time
pre-commit	56s
Determine changes	11s
cargo fmt	15s
mkdocs	2m 7s
python package	1m 23s
cargo clippy	1m 58s
cargo test (linux)	3m 39s
cargo test (windows)	6m 11s
cargo test (wasm)	1m 9s
cargo fuzz	4m 56s
formatter instabilities and black similarity	3m 43s
cargo udeps	1m 49s
test scripts	51s
benchmarks	4m 19s
ecosystem	13m 37s
test ruff-lsp	21s
	47m 25s

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