MINIFICPP-2437 Include allowable_values in the manifest for python processors #5457

Job	Run time
macos-xcode	31m 5s
Docker build for integration tests	34m 34s
ubuntu-22.04-clang	13m 25s
rocky	15m 47s
ubuntu-24.04	7m 38s
windows-2022	43m 48s
Docker integration tests	1m 15s
	2h 27m 32s

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