adjust config.platform.php version to 7.2.5 so that we do not run into...

adjust config.platform.php version to 7.2.5 so that we do not run into conflicts when installing another package, re #1569

composer.json

@@ -4,7 +4,7 @@
     "config": {
         "vendor-dir": "composer",
         "platform": {
-            "php": "7.2"
+            "php": "7.2.5"
         }
     },
     "require-dev": {