Bump PyTorch pins to 2.12 (#19643) #5697

Job	Run time
test-coreml / test-backend-macos (coreml, models) / macos-job	12m 12s
test-coreml / test-backend-macos (coreml_static_int8, operators) / macos-job	2h 0m 48s
test-coreml / test-backend-macos (coreml_static_int8, models) / macos-job	24m 46s
test-coreml / test-backend-macos (coreml, operators) / macos-job	9m 25s
test-coreml / package-golden-artifacts	0s
test-coreml / test-backend-linux	-8s
	2h 47m 3s

Provide feedback