Fix URL to repository

It's moved to knurling-rs

Author: jonathanpallant

Cargo.toml

@@ -8,7 +8,7 @@ edition = "2018"
 license = "MIT OR Apache-2.0"
 readme = "README.md"
 description = "A flashing tool for the nRF bootloader"
-repository = "https://github.com/ferrous-systems/nrfdfu-rs"
+repository = "https://github.com/knurling-rs/nrfdfu-rs"
 
 [dependencies]
 byteorder = "1.4.3"