chore(deps): Upgrade packages

Changes:

 - Updating symfony/flex (v1.0.89 => v1.1.0)
 - Updating aws/aws-sdk-php (3.64.13 => 3.65.1)
 - Updating friendsofphp/php-cs-fixer (v2.12.2 => v2.12.3)
 - Updating phpunit/phpunit (7.3.1 => 7.3.2)
 - Updating api-platform/core (v2.3.0 => v2.3.1)
 - Updating doctrine/cache (v1.7.1 => v1.8.0)
 - Updating league/flysystem (1.0.45 => 1.0.46)

Author: k911

composer.json

@@ -1,7 +1,7 @@
 {
     "name": "knit-pk/api-v1-php",
     "description": "KNIT API PHP",
-    "version": "0.12.4-dev",
+    "version": "0.12.5-dev",
     "type": "project",
     "license": "MIT",
     "require": {