Update dependencies.

Author: bheisler

Cargo.toml

@@ -25,11 +25,11 @@ serde_json     = "1.0"
 serde_derive   = "1.0"
 serde_cbor     = "0.11"
 atty           = "~0.2.6"
-clap           = { version = "2.33", default-features = false }
+clap           = { version = "2.34", default-features = false }
 csv            = "1.1"
 walkdir        = "2.3"
 tinytemplate   = "1.1"
-cast           = "0.2"
+cast           = "0.3"
 num-traits     = { version = "0.2", default-features = false }
 oorandom       = "11.1"
 rayon          = "1.3"