Bump clap to match when deprecations happened

Author: Jon Gjengset

Cargo.toml

@@ -61,7 +61,7 @@ toml_edit =  { version = "0.13.4", features = ["serde", "easy"] }
 unicode-xid = "0.2.0"
 url = "2.2.2"
 walkdir = "2.2"
-clap = "3.0.13"
+clap = "3.1.0"
 unicode-width = "0.1.5"
 openssl = { version = '0.10.11', optional = true }
 im-rc = "15.0.0"