fix: `Ip{,v4,v6}Addr::decode`

[DaniPopes]

Motivation

Ip addr decoding used static_left_pad, which fails if the buffer starts with a zero. This is incorrect and it also should not pad lower lengths

Solution

Use <[u8; N]>::try_from(&[u8])

PR Checklist

• [x] Added Tests
• [x] Added Documentation
• [x] Breaking changes
• [x] Updated CHANGELOG.md