Fail fast for Pip>=23.2 + pip-legacy-resolver. (#2179) #1991

Job	Run time
Check GitHub Organization	1s
TOXENV=format-check,typecheck,vendor-check,package -- --additional-format sdist --additional-form...	5m 23s
(macos-12) Pip 20 TOXENV=py311	22m 36s
(ubuntu-22.04) Pip 20 TOXENV=py311	19m 38s
(ubuntu-22.04) Pip 22_3_1 TOXENV=py311	16m 4s
(macos-12) Pip 23_2 TOXENV=py312	21m 12s
(ubuntu-22.04) Pip 23_1_2 TOXENV=py311	15m 34s
(ubuntu-22.04) Pip 23_2 TOXENV=py312	14m 31s
(macos-12) Pip 20 TOXENV=py27	24m 40s
(ubuntu-22.04) Pip 20 TOXENV=py27	10m 50s
(ubuntu-20.04) Pip 20 TOXENV=py35	18m 42s
(PyPy 2.7) Pip 20 TOXENV=pypy27	17m 8s
(PyPy 3.9) Pip 20 TOXENV=pypy39	24m 44s
(PyPy 3.9) Pip 22_3_1 TOXENV=pypy39	25m 17s
(PyPy 3.9) Pip 23_1_2 TOXENV=pypy39	25m 26s
(macos-12) Pip 20 TOXENV=py311-integration	13m 28s
(ubuntu-22.04) Pip 20 TOXENV=py311-integration	34m 54s
(ubuntu-22.04) Pip 22_3_1 TOXENV=py311-integration	34m 53s
(ubuntu-22.04) Pip 23_1_2 TOXENV=py311-integration	34m 55s
(macos-12) Pip 23_2 TOXENV=py312-integration	11m 50s
(ubuntu-22.04) Pip 23_2 TOXENV=py312-integration	34m 54s
(macos-12) Pip 20 TOXENV=py27-integration	11m 0s
(ubuntu-22.04) Pip 20 TOXENV=py27-integration	29m 39s
(ubuntu-22.04) Pip 22_3_1 TOXENV=py37-integration	34m 56s
(ubuntu-22.04) Pip 23_1_2 TOXENV=py37-integration	34m 53s
(PyPy 2.7) Pip 20 TOXENV=pypy27-integration	34m 55s
(PyPy 3.9) Pip 20 TOXENV=pypy39-integration	34m 53s
(PyPy 3.9) Pip 22_3_1 TOXENV=pypy39-integration	34m 54s
(PyPy 3.9) Pip 23_1_2 TOXENV=pypy39-integration	34m 53s
Gather Final Status	1s
	11h 16m 44s

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