chore: fix the category for crates.io

Author: kbknapp

Cargo.toml

@@ -10,7 +10,7 @@ homepage = "https://clap.rs/"
 readme = "README.md"
 license = "MIT"
 keywords = ["argument", "command", "arg", "parser", "parse"]
-categories = ["command-line-interface"]
+categories = ["command-line interface"]
 description = """
 A simple to use, efficient, and full featured  Command Line Argument Parser
 """