[TASK] Update EXT:t3olayout to version 3.0.3

composer.lock

 {
     "_readme": [
         "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
     "content-hash": "56db70f13fdee61a6a2bc364e98cd00f",
@@ -2428,11 +2428,11 @@
         },
         {
             "name": "t3o/t3olayout",
-            "version": "3.0.2",
+            "version": "3.0.3",
             "source": {
                 "type": "git",
                 "url": "https://git-t3o.typo3.org/t3o/t3olayout.git",
-                "reference": "3a49ba7aa95eae6a8bac4c3da0c8c9e744f5eece"
+                "reference": "1cd46f1d1576d5b80096691f562d08e04154e72d"
             },
             "require": {
                 "gridelementsteam/gridelements": "^8.0",
@@ -2480,7 +2480,7 @@
             "keywords": [
                 "TYPO3 CMS"
             ],
-            "time": "2018-06-20T17:32:17+00:00"
+            "time": "2018-06-23T11:37:34+00:00"
         },
         {
             "name": "t3o/typo3_roadmap",