jsonrpc: Update repository in manifest

Currently lists the repository name from before we did the `corepc`
rename. Note this was never released, as such crates.io still points
at Andrew's repo.

Author: tcharding

jsonrpc/Cargo.toml

@@ -3,7 +3,7 @@ name = "jsonrpc"
 version = "0.18.0"
 authors = ["Andrew Poelstra <[email protected]>"]
 license = "CC0-1.0"
-repository = "https://github.com/rust-bitcoin/rust-bitcoind-json-rpc/"
+repository = "https://github.com/rust-bitcoin/corepc/"
 documentation = "https://docs.rs/jsonrpc/"
 description = "Rust support for the JSON-RPC 2.0 protocol"
 keywords = [ "protocol", "json", "http", "jsonrpc" ]