Rework composer.json for lowest dependencies

composer.json

@@ -7,6 +7,7 @@
         "php": "^7.3.0",
         "ext-ctype": "*",
         "ext-iconv": "*",
+        "composer-runtime-api": "^2",
         "doctrine/annotations": "^1.0",
         "doctrine/doctrine-bundle": "^2.4",
         "doctrine/doctrine-migrations-bundle": "^3.1",
@@ -18,7 +19,7 @@
         "symfony/console": "^5.3",
         "symfony/dotenv": "^5.3",
         "symfony/expression-language": "^5.3",
-        "symfony/flex": "^1.3.1",
+        "symfony/flex": "^1.10",
         "symfony/form": "^5.3",
         "symfony/framework-bundle": "^5.3",
         "symfony/http-client": "^5.3",

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "9243843f69c5fc1ab896218eefb396ad",
+    "content-hash": "74e65e5fe1d183e9897a46bfd24a04b4",
     "packages": [
         {
             "name": "composer/package-versions-deprecated",
@@ -10688,7 +10688,8 @@
     "platform": {
         "php": "^7.3.0",
         "ext-ctype": "*",
-        "ext-iconv": "*"
+        "ext-iconv": "*",
+        "composer-runtime-api": "^2"
     },
     "platform-dev": [],
     "platform-overrides": {