Add support for `--pip-version 24.3.1`. (#2582) #3142

Job	Run time
Check GitHub Organization	1s
tox -e format-check,lint-check,typecheck,vendor-check,package,docs	8m 49s
tox -e py313-pip24_3_1	19m 40s
tox -e py313-pip24_3_1-integration --shard 1/2	32m 26s
./dtox.sh -e py27-pip20	9m 39s
tox -e py313-pip24_3_1-integration --shard 2/2	28m 44s
./dtox.sh -e py38-pip22_3_1	18m 51s
./dtox.sh -e py311-pip23_3_2	18m 45s
./dtox.sh -e py313-pip24_3_1	14m 45s
./dtox.sh -e py314-pip24_3_1	15m 2s
./dtox.sh -e pypy310-pip24_3_1	27m 51s
./dtox.sh -e py27-pip20-integration	27m 52s
./dtox.sh -e py38-pip22_3_1-integration --shard 1/2	28m 30s
./dtox.sh -e py38-pip22_3_1-integration --shard 2/2	29m 7s
./dtox.sh -e py311-pip23_3_2-integration --shard 1/2	28m 30s
./dtox.sh -e py311-pip23_3_2-integration --shard 2/2	29m 30s
./dtox.sh -e py313-pip24_3_1-integration --shard 1/2	26m 8s
./dtox.sh -e py313-pip24_3_1-integration --shard 2/2	25m 55s
./dtox.sh -e py314-pip24_3_1-integration --shard 1/2	23m 37s
./dtox.sh -e py314-pip24_3_1-integration --shard 2/2	26m 26s
./dtox.sh -e pypy310-pip24_3_1-integration --shard 1/2	46m 9s
./dtox.sh -e pypy310-pip24_3_1-integration --shard 2/2	49m 1s
Gather Final Status	1s
	8h 55m 19s

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