[TASK] Update t3olayout to 2.3.1

composer.json

@@ -46,7 +46,7 @@
     "typo3/cms-linkvalidator": "*",
     "helhum/typo3-console": "4.9.2",
     "dmitryd/typo3-realurl": "2.3.0",
-    "t3o/t3olayout": "^2.1",
+    "t3o/t3olayout": "^2.3",
     "t3o/certifications": "^1.0",
     "georgringer/news": "6.1.1",
     "apache-solr-for-typo3/solr": "7.5.0",

composer.lock

@@ -4,7 +4,7 @@
         "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": "511aab20f25bb89e25faf51a14da6278",
+    "content-hash": "d1d69eeca2f155f5faef74050cb61245",
     "packages": [
         {
             "name": "apache-solr-for-typo3/solr",
@@ -1991,11 +1991,11 @@
         },
         {
             "name": "t3o/t3olayout",
-            "version": "2.3.0",
+            "version": "2.3.1",
             "source": {
                 "type": "git",
                 "url": "https://git-t3o.typo3.org/t3o/t3olayout.git",
-                "reference": "3c78c9e838776f8313e38c6262253c9446025271"
+                "reference": "6a4fc271cff4930d22714e6d58cecc33a2b3659f"
             },
             "require": {
                 "gridelementsteam/gridelements": "^8.0",
@@ -2043,7 +2043,7 @@
             "keywords": [
                 "TYPO3 CMS"
             ],
-            "time": "2018-04-23T08:56:24+00:00"
+            "time": "2018-05-04T10:18:33+00:00"
         },
         {
             "name": "t3o/typo3_roadmap",