docs(tauri-utils): described behavior of version field when omitted (#6938)

core/tauri-utils/src/config.rs

@@ -2867,7 +2867,7 @@ pub struct PackageConfig {
   #[serde(alias = "product-name")]
   #[cfg_attr(feature = "schema", validate(regex(pattern = "^[^/\\:*?\"<>|]+$")))]
   pub product_name: Option<String>,
-  /// App version. It is a semver version number or a path to a `package.json` file containing the `version` field.
+  /// App version. It is a semver version number or a path to a `package.json` file containing the `version` field. If removed the version number from `Cargo.toml` is used.
   #[serde(deserialize_with = "version_deserializer", default)]
   pub version: Option<String>,
 }