update composer.lock

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "b078b12b2912d599e0c6904f64def484",
+    "content-hash": "280f5d5184039085b5f22236d267ae82",
     "packages": [
         {
             "name": "composer/ca-bundle",
@@ -1404,7 +1404,6 @@
                 "mock",
                 "xunit"
             ],
-            "abandoned": true,
             "time": "2015-10-02T06:51:40+00:00"
         },
         {