feat: add optional sign_options argument to Wallet::finalize_psbt method #413

Job	Run time
Build and test Manylinux 2.28 x86_64 wheels (cp38-cp38)	3m 43s
Build and test macOS x86_64 wheels (3.8)	7m 44s
Build and test macOS arm64 wheels (3.8)	8m 36s
Build and test Windows wheels (3.8)	5m 42s
Build and test macOS x86_64 wheels (3.9)	5m 16s
Build and test macOS arm64 wheels (3.9)	6m 42s
Build and test Manylinux 2.28 x86_64 wheels (cp39-cp39)	3m 42s
Build and test Windows wheels (3.9)	5m 39s
Build and test macOS x86_64 wheels (3.10)	8m 32s
Build and test macOS arm64 wheels (3.10)	4m 44s
Build and test Windows wheels (3.10)	6m 14s
Build and test Manylinux 2.28 x86_64 wheels (cp310-cp310)	3m 46s
Build and test macOS x86_64 wheels (3.11)	8m 53s
Build and test macOS arm64 wheels (3.11)	8m 5s
Build and test macOS x86_64 wheels (3.12)	4m 32s
Build and test Windows wheels (3.11)	6m 14s
Build and test macOS arm64 wheels (3.12)	4m 7s
Build and test Windows wheels (3.12)	5m 28s
Build and test Manylinux 2.28 x86_64 wheels (cp311-cp311)	3m 49s
Build and test Manylinux 2.28 x86_64 wheels (cp312-cp312)	3m 45s
	1h 55m 13s

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