Update dependency bitcoinlib to v0.4.16

[renovate]

This PR contains the following updates:

Package	Update	Change
bitcoinlib	patch	==0.4.13 -> ==0.4.16

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Release Notes

1200wd/bitcoinlib

v0.4.16

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• Create Block object to parse, serialize and extract information
• Add getblock and getblock method to service providers
• Add caching for blocks
• Fix various issues with service providers
• Fix conversion issues, and increase speed by avoiding unnecessary conversions
• Add Dogecoin

v0.4.15

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• Add support for new bitcoinlib-based Blocksmurfer provider
• Fix issues with Service class and service providers
• Fix various Bcoin issues
• Fix antique P2PK transactions
• Improve database and caching performance
• Fix issues with incorrect balance, number of txs or utoxs in cache
• Add spending transaction information in transaction outputs
• Add getblock method

v0.4.14

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• Simplify logging and configuration
• Use pathlib module instead of os.path
• Allow to use mysql or postgresql for cache database
• Fix some issues from service providers

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