Fix composer license

Jordan Hall · Jordan Hall · commit 9f411ea8b00b · 2018-01-30T15:49:29.000Z
diff --git a/composer.json b/composer.json
@@ -18,5 +18,5 @@
             "RapidWeb\\Search\\": "src/"
         }
     },
-    "license": "LGPL3"
+    "license": "LGPL-3.0-only"
 }
