Add support for `typing.Never` #5513

Job	Run time
coverage	1m 2s
build-wasm-emscripten	2m 17s
rust benchmarks	2m 49s
lint	1m 1s
test-debug 3.13	52s
test-debug pypy3.10	1m 4s
test MSRV	3m 4s
test-pydantic-integration	1m 21s
test on ubuntu	1m 21s
test 3.8	1m 38s
test 3.9	1m 46s
test 3.10	1m 43s
test on macos	1m 19s
test 3.11	1m 34s
test on windows	5m 17s
test 3.12	1m 34s
test 3.13	1m 40s
test pypy3.9	2m 5s
build sdist	19s
test pypy3.10	2m 3s
build on ${{ matrix.os }} (${{ matrix.target }} - ${{ matrix.interpreter \|\| 'all' }}${{ (((matrix.os == 'linux') && format(' - {0}', (((matrix.manylinux == 'auto') && 'manylinux') \|\| matrix.manylinux))) \|\| '') }})	0s
build pgo-optimized on ${{ matrix.os }} / ${{ matrix.interpreter }}	0s
test build on ${{ matrix.target }}-${{ matrix.distro }}	0s
test build on ${{ matrix.os }}	0s
inspect-pypi-assets	0s
check	4s
release	0s
	35m 53s

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