Fixing book reference

ecton · ecton · commit 45e50ddd2f5e · 2024-08-20T12:48:35.000-07:00
diff --git a/guide/book.toml b/guide/book.toml
@@ -11,4 +11,4 @@ extra-watch-dirs = ["./guide-examples/"]
 
 [preprocessor.variables.variables]
 docs = "https://docs.rs/cushy/latest/cushy"
-src = "https://github.com/khonsulabs/cushy/tree/v0.3.0"
+src = "https://github.com/khonsulabs/cushy/tree/v0.4.0"
