bump version number

Author: ByteOtter

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "thanix"
 authors = ["Christopher Hock <christopher-hock@protonmail.com>"]
-version = "0.1.0-alpha.3"
+version = "0.1.0-alpha.4"
 publish = true
 edition = "2021"
 description = "A yaml-to-rust code generator for generating Rust code from yaml config files e.g. as found in openAPI."