Add numpy dependency to python wrapper. (#1935) #2308

Job	Run time
Linux.1: Release / steps	13m 47s
Linux.2: Debug / steps	23m 50s
Linux.3: static / steps	13m 49s
Linux.4: threads=OFF / steps	13m 4s
Linux.5: pkgconfig=OFF, examples=OFF, tools=OFF, docs=OFF, internal deflate / steps	4m 24s
Linux.6: custom namespace / steps	13m 51s
Linux.7: clang / steps	14m 9s
Linux.8: vfx2023 / steps	13m 21s
macOS.1: Release / steps	8m 52s
macOS.2: Debug / steps	22m 50s
macOS.3: static / steps	8m 51s
macOS.4: threads=OFF / steps	7m 21s
macOS.5: pkgconfig=OFF, examples=OFF, tools=OFF, docs=OFF, internal imath+deflate / steps	1m 10s
macOS.6: macos-13 / steps	20m 18s
Windows.1: Release / steps	13m 34s
Windows.2: Debug / steps	40m 35s
Windows.3: static / steps	12m 27s
Windows.4: threads=OFF / steps	13m 24s
Windows.5: pkgconfig=OFF, examples=OFF, tools=OFF, docs=OFF, internal imath+deflate / steps	2m 20s
Windows.6: vfx2022 / steps	13m 26s
	4h 35m 23s

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