deps: Bump minimum pytorch version to 1.9.0 #4547

Job	Run time
select-runner	1s
build (3.7, x64, ubuntu)	1h 19m 45s
build (3.7, x64, windows)	1h 50m 45s
build (3.11, x64, ubuntu)	1h 42m 21s
build (3.11, x64, macos)	1h 24m 57s
build (3.11, x64, windows)	1h 57m 35s
build (3.9, macos, --cov=psyneulink)	1h 47m 46s
build (3.9, ubuntu, --forked -m "not llvm")	49m 18s
build (3.8, x86, windows)	1h 42m 10s
build (3.10, ubuntu, --fp-precision=fp32)	1h 15m 6s
build (3.10, macos, -m benchmark --benchmark-enable --benchmark-only --benchmark-min-rounds=2 --b...	59m 56s
build (3.7, x64, ubuntu, min)	1h 55m 42s
build (3.8, x64, macos)	1h 5m 58s
	17h 51m 20s

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