chore: bump version in docs

Author: Xavientois

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "die-exit"
-version = "0.4.0"
+version = "0.5.0"
 authors = [
   "moparisthebest <admin@moparisthebest.com>",
   "Xavientois <joshua.rampersad@hotmail.com>",

README.md

@@ -16,10 +16,10 @@ exit behaviour with a call to `panic!` in order to facilitate testing.
 
 ```toml
 [dependencies]
-die-exit = "0.4"
+die-exit = "0.5"
 
 [dev-dependencies.die-exit]
-version = "0.4"
+version = "0.5"
 features = ["test", "red"]
 ```