chore(deps): lock file maintenance

composer.lock

@@ -2797,7 +2797,7 @@
         },
         {
             "name": "symfony/deprecation-contracts",
-            "version": "v3.3.0",
+            "version": "v3.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/deprecation-contracts.git",
@@ -2844,7 +2844,7 @@
             "description": "A generic function and convention to trigger deprecation notices",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/deprecation-contracts/tree/v3.3.0"
+                "source": "https://github.com/symfony/deprecation-contracts/tree/v3.4.0"
             },
             "funding": [
                 {
@@ -3018,7 +3018,7 @@
         },
         {
             "name": "symfony/event-dispatcher-contracts",
-            "version": "v3.3.0",
+            "version": "v3.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/event-dispatcher-contracts.git",
@@ -3074,7 +3074,7 @@
                 "standards"
             ],
             "support": {
-                "source": "https://github.com/symfony/event-dispatcher-contracts/tree/v3.3.0"
+                "source": "https://github.com/symfony/event-dispatcher-contracts/tree/v3.4.0"
             },
             "funding": [
                 {