updated monolog bridge dependency

Author: bamarni

composer.json

@@ -17,7 +17,7 @@
     ],
     "require": {
         "php": ">=5.3.2",
-        "symfony/monolog-bridge": ">=2.1.0,<2.3-dev",
+        "symfony/monolog-bridge": "2.1.*",
         "symfony/dependency-injection": ">=2.1.0,<2.3-dev",
         "symfony/config": ">=2.1.0,<2.3-dev",
         "monolog/monolog": ">=1.0,<1.3-dev"