add `model_type` to validators #5562

Job	Run time
build pgo-optimized on ${{ matrix.os }} / ${{ matrix.interpreter }}	0s
build on ${{ matrix.os }} (${{ matrix.target }} - ${{ matrix.interpreter \|\| 'all' }}${{ (((matrix.os == 'linux') && format(' - {0}', (((matrix.manylinux == 'auto') && 'manylinux') \|\| matrix.manylinux))) \|\| '') }})	0s
rust benchmarks	3m 4s
build sdist	24s
build-wasm-emscripten	2m 42s
coverage	1m 45s
lint	50s
test-debug 3.13	45s
test-debug pypy3.10	1m 4s
test MSRV	2m 41s
test on ubuntu	1m 31s
test on macos	2m 0s
test-pydantic-integration	1m 24s
test on windows	3m 41s
test 3.8	2m 3s
test 3.9	1m 57s
test 3.10	1m 43s
test 3.11	1m 46s
test 3.12	1m 40s
test 3.13	1m 36s
test pypy3.9	2m 5s
test pypy3.10	2m 6s
test build on ${{ matrix.target }}-${{ matrix.distro }}	0s
test build on ${{ matrix.os }}	0s
inspect-pypi-assets	0s
check	1s
release	0s
	36m 48s

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