Release 1.0.0

Added

• Added Display, Error and common trait implementations for Error<E>.
• Added common trait implementations for types.
• Async support based on embedded-hal-async 1.0 behind async feature flag.
• Added set_all_channels().

Changed

• [breaking-change] Removed Default implementation for Pca9685 struct.
• Raised MSRV to 1.75.0.
• [breaking-change] Updated embedded-hal dependency to 1.0.