Upgrade Pex scie to PBS 20241002 / CPython 3.12.7. #3017

Job	Run time
Check GitHub Organization	1s
tox -e format-check,lint-check,typecheck,vendor-check,package,docs	8m 40s
tox -e py312-pip24_2	12m 11s
./dtox.sh -e py27-pip20	8m 8s
tox -e py312-pip24_2-integration --shard 1/2	38m 21s
./dtox.sh -e py37-pip22_3_1	11m 10s
tox -e py312-pip24_2-integration --shard 2/2	35m 48s
./dtox.sh -e py311-pip23_3_2	11m 52s
./dtox.sh -e py312-pip24_2	11m 21s
./dtox.sh -e py313-pip24_2	9m 56s
./dtox.sh -e pypy310-pip24_2	18m 39s
./dtox.sh -e py27-pip20-integration	26m 9s
./dtox.sh -e py37-pip22_3_1-integration --shard 1/2	22m 6s
./dtox.sh -e py37-pip22_3_1-integration --shard 2/2	22m 2s
./dtox.sh -e py311-pip23_3_2-integration --shard 1/2	23m 7s
./dtox.sh -e py311-pip23_3_2-integration --shard 2/2	22m 16s
./dtox.sh -e py312-pip24_2-integration --shard 1/2	27m 29s
./dtox.sh -e py312-pip24_2-integration --shard 2/2	25m 18s
./dtox.sh -e py313-pip24_2-integration --shard 1/2	20m 5s
./dtox.sh -e py313-pip24_2-integration --shard 2/2	25m 12s
./dtox.sh -e pypy310-pip24_2-integration --shard 1/2	40m 0s
./dtox.sh -e pypy310-pip24_2-integration --shard 2/2	38m 2s
Gather Final Status	1s
	7h 37m 54s

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