Python Unified SDK v8.0.2

What's Changed

• Bump pytest-mypy-plugins from 4.0.0 to 4.0.2
• Bump cryptography from 46.0.7 to 48.0.0
• Bump pydantic from 2.12.5 to 2.13.4
• Bump urllib3 from 2.6.3 to 2.7.0
• Bump idna from 3.11 to 3.15
• Bump black from 26.3.1 to 26.5.0
• Bump pydantic from 2.12.5 to 2.13.4
• Bump requests from 2.33.1 to 2.34.2
• Bump black from 26.5.0 to 26.5.1
• Bump mypy from 1.20.1 to 2.1.0
• Bump pytest-mypy-plugins from 4.0.2 to 4.0.3
• Bump pytest from 9.0.3 to 9.1.0
• Bump cryptography from 48.0.0 to 49.0.0
• Bump pytest from 9.1.0 to 9.1.1
• chore: update copyright year to 2026 (LICENSE + README)

Full Changelog: https://github.com/bitpay/python-bitpay-client/compare/8.0.1...8.0.2