Composer update

tools/composer.lock

@@ -674,7 +674,7 @@
             "source": {
                 "type": "git",
                 "url": "ssh://git@infra.flowdat.com:222/VendorSoftwareFlowdat3/php-docker-lib.git",
-                "reference": "4f5917ab47f8b5820c4489be33590b6bbbc52b15"
+                "reference": "c6903dda95343948edacde7dd52fb2b11142109b"
             },
             "require": {
                 "symfony/yaml": "^3.3"
@@ -694,7 +694,7 @@
                     "email": "info@interlink.com.ar"
                 }
             ],
-            "time": "2019-01-31T11:40:58+00:00"
+            "time": "2019-02-21T13:38:19+00:00"
         },
         {
             "name": "jane/jane",