TASK: Use caret version range operator in manifest

Author: kdambekalns

composer.json

@@ -5,7 +5,7 @@
     "homepage": "http://flowpack.org/",
     "license": ["LGPL-3.0-only"],
     "require": {
-        "php": ">=7.2",
+        "php": "^7.2",
 
         "flowpack/elasticsearch": "^2.0 || dev-master",
         "neos/content-repository": "^3.3 || ^4.0 || dev-master",