FIX lumberjack version updated

composer.json

@@ -9,7 +9,7 @@
     ],
     "require": {
         "silverstripe/blog": "2.4.x-dev",
-        "silverstripe/lumberjack": "1.3.x-dev",
+        "silverstripe/lumberjack": "^1.3",
         "silverstripe/widgets": "1.3.x-dev",
         "silverstripe/spamprotection": "2.0.x-dev",
         "silverstripe/akismet": "3.2.x-dev",