Bump config_proc_macro

Author: topecongiro

rustfmt-core/rustfmt-lib/config_proc_macro/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "rustfmt-config_proc_macro"
-version = "0.4.0"
+version = "0.5.0"
 authors = ["topecongiro <[email protected]>"]
 edition = "2018"
 description = "A collection of procedural macros for rustfmt"