Upgrade to CPython 3.13.0rc3 and 3.12.7. (#2549) #3012

Job	Run time
Check GitHub Organization	1s
./dtox.sh -e py27-pip20	9m 50s
tox -e py312-pip24_2	13m 11s
tox -e format-check,lint-check,typecheck,vendor-check,package,docs	8m 24s
./dtox.sh -e py37-pip22_3_1	12m 7s
tox -e py312-pip24_2-integration --shard 1/2	41m 24s
./dtox.sh -e py311-pip23_3_2	11m 55s
tox -e py312-pip24_2-integration --shard 2/2	31m 44s
./dtox.sh -e py312-pip24_2	11m 29s
./dtox.sh -e py313-pip24_2	10m 31s
./dtox.sh -e pypy310-pip24_2	19m 27s
./dtox.sh -e py27-pip20-integration	30m 9s
./dtox.sh -e py37-pip22_3_1-integration --shard 1/2	22m 55s
./dtox.sh -e py37-pip22_3_1-integration --shard 2/2	22m 49s
./dtox.sh -e py311-pip23_3_2-integration --shard 1/2	24m 45s
./dtox.sh -e py311-pip23_3_2-integration --shard 2/2	22m 49s
./dtox.sh -e py312-pip24_2-integration --shard 1/2	28m 13s
./dtox.sh -e py312-pip24_2-integration --shard 2/2	24m 52s
./dtox.sh -e py313-pip24_2-integration --shard 1/2	21m 33s
./dtox.sh -e py313-pip24_2-integration --shard 2/2	24m 57s
./dtox.sh -e pypy310-pip24_2-integration --shard 1/2	39m 16s
./dtox.sh -e pypy310-pip24_2-integration --shard 2/2	38m 0s
Gather Final Status	1s
	7h 50m 22s

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