v0.39.0

What's Changed

• refactor: replace internal MacAddr by @shellrow in #141
• Release v0.39.0 by @shellrow in #142

MacAddr implementation

Since v0.39.0, netdev now uses mac-addr
a standalone and lightweight MAC address library developed by the same author (@shellrow).
This update is fully backward-compatible (no breaking changes).

Full Changelog: v0.38.2...v0.39.0