Update crate for new repository (#1)

* Change repo url in Cargo.toml

* Version bump

Author: AgeManning

Cargo.toml

@@ -2,11 +2,11 @@
 name = "enr"
 authors = ["Age Manning <[email protected]>"]
 edition = "2018"
-version = "0.1.0-alpha.6"
+version = "0.1.0-alpha.7"
 description = "Rust implementation of Ethereum Node Record (ENR) EIP778"
 readme = "./README.md"
 keywords = ["ethereum", "enr", "record", "EIP778", "node"]
-repository = "https://github.com/AgeManning/enr"
+repository = "https://github.com/rust-ethereum/enr"
 categories = ["cryptography::cryptocurrencies"]
 license = "MIT"
 exclude = [