Add Spending Policy API #1039

Job	Run time
Build and test macOS x86_64 wheels (3.8)	6m 1s
Build and test macOS arm64 wheels (3.8)	5m 5s
Build and test Manylinux 2.28 x86_64 wheels (cp38-cp38)	3m 37s
Build and test macOS x86_64 wheels (3.9)	4m 16s
Build and test macOS arm64 wheels (3.9)	7m 4s
Build and test Windows wheels (3.8)	5m 34s
Build and test Manylinux 2.28 x86_64 wheels (cp39-cp39)	3m 46s
Build and test macOS x86_64 wheels (3.10)	5m 54s
Build and test macOS arm64 wheels (3.10)	6m 2s
Build and test Windows wheels (3.9)	5m 48s
Build and test Manylinux 2.28 x86_64 wheels (cp310-cp310)	3m 44s
Build and test macOS x86_64 wheels (3.11)	6m 14s
Build and test macOS arm64 wheels (3.11)	4m 7s
Build and test Windows wheels (3.10)	5m 18s
Build and test Manylinux 2.28 x86_64 wheels (cp311-cp311)	3m 41s
Build and test macOS x86_64 wheels (3.12)	5m 13s
Build and test macOS arm64 wheels (3.12)	4m 40s
Build and test Windows wheels (3.11)	5m 33s
Build and test Manylinux 2.28 x86_64 wheels (cp312-cp312)	3m 38s
Build and test Windows wheels (3.12)	5m 17s
	1h 40m 32s

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