models/MontagueDayanSejnowski: Use versioned seaborn style #5669

Job	Run time
build (3.7, x64, ubuntu)	1m 2s
build (3.7, x64, windows)	1m 11s
build (3.11, x64, ubuntu)	1h 24m 50s
build (3.11, x64, macos)	34m 57s
build (3.11, x64, windows)	1h 25m 42s
build (3.12, x64, ubuntu)	1h 25m 7s
build (3.12, x64, macos)	31m 30s
build (3.12, x64, windows)	1h 23m 25s
build (3.9, macos, --cov=psyneulink)	56m 39s
build (3.9, ubuntu, --forked -m "not llvm")	35m 58s
build (3.8, x86, windows)	1h 29m 30s
build (3.10, ubuntu, --fp-precision=fp32)	1h 24m 31s
build (3.10, macos, -m benchmark --benchmark-enable --benchmark-only --benchmark-min-rounds=2 --b...	25m 59s
build (3.7, x64, ubuntu, min)	43s
build (3.8, macos)	34m 34s
	12h 15m 38s

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