fix targets in learn function #10157

Job	Run time
build (3.8, x64, ubuntu)	1h 36m 43s
build (3.8, x64, windows)	1h 32m 15s
build (3.11, x64, ubuntu)	1h 22m 34s
build (3.11, x64, macos)	36m 20s
build (3.11, x64, windows)	1h 50m 47s
build (3.12, x64, ubuntu)	1h 18m 10s
build (3.12, x64, macos)	34m 20s
build (3.12, x64, windows)	1h 31m 52s
build (3.9, macos, --cov=psyneulink)	51m 17s
build (3.9, ubuntu, --forked -m "not llvm")	38m 4s
build (3.9, x86, windows)	1h 34m 30s
build (3.10, ubuntu, --fp-precision=fp32)	1h 18m 8s
build (3.10, macos, -m benchmark --benchmark-enable --benchmark-only --benchmark-min-rounds=2 --b...	27m 41s
build (3.8, macos, min)	42m 3s
	15h 54m 44s

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