Align clap to same version as in the .lock file (#134)

Author: Gumnos

Cargo.toml

@@ -12,7 +12,7 @@ bincode = "1.3.3"
 dirs = "3.0"
 rand = { version = "0.8.3", features = ["alloc"] }
 colored = "2"
-clap = "3.0.0-beta.2"
+clap = "3.0.0-beta.4"
 typetag = "0.1"
 dunce = "1.0.1"
 once_cell = "1.7.2"