Rename token input to packistry-token (#2)

Reviewed-on: #2

README.md

@@ -19,10 +19,10 @@ This action sets up and installs Composer dependencies for PHP projects, with ca
     - **Default:** `**/composer.lock`
     - **Description:** Specifies the file to be hashed for the cache key. By default, it uses the `composer.lock` file, which reflects dependency versions.
 
-- **token** (optional):
+- **packistry-token** (optional):
     - **Type:** `string`
     - **Default:** `pkdt-***`
-    - **Description:** Deploy token to globally authenticate with packistry
+    - **Description:** Deploy token to authenticate with packistry
 
 ## Usage Example