Set version to 0.4.0

quickjs.h

@@ -997,7 +997,7 @@ JS_EXTERN JSValue JS_PromiseResult(JSContext *ctx, JSValue promise);
 #define QJS_VERSION_MAJOR 0
 #define QJS_VERSION_MINOR 4
 #define QJS_VERSION_PATCH 0
-#define QJS_VERSION_SUFFIX "dev"
+#define QJS_VERSION_SUFFIX ""
 
 JS_EXTERN const char* JS_GetVersion(void);