🔖 zbus 5.1.0

• ⬇️ Reduce rust-version to 1.80. #1107
• 🦺 Verify validity of names and object paths pased to macros at compile time.
• 🐛 Generate interface properties signal methods only when needed.
• ♻️ Use winnow for parsing GUID and D-Bus address strings. #1070
• ✨ Add support for unixexec transport.
• 🔌 Add Command stdio socket type. This socket communicates with a spawned child process via
  its standard input and output streams.
• ➕ Add direct dep on winnow.