Remove prefer-stable and minimum-stability, add ~ to dbal version

composer.json

 {
   "name": "t3o/typo3.org",
   "description": "Website for TYPO3.org",
-  "minimum-stability": "dev",
-  "prefer-stable": true,
   "authors": [
     {
       "name": "t3o team",
@@ -52,7 +50,7 @@
     "brotkrueml/typo3-matomo-widgets": "^0.1.0",
     "cweagans/composer-patches": "^1.6",
     "derhansen/sf_event_mgt": "^5.0",
-    "doctrine/dbal": "2.10.3",
+    "doctrine/dbal": "~2.10.3",
     "georgringer/news": "^8.0",
     "gordalina/cachetool": "^4.0",
     "reelworx/rx-shariff": "^13.0",

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": "e82ab8cfa9c9174f4cfe9f299ca67826",
+    "content-hash": "95b8c3c8b6a5e99193dde13886752ce7",
     "packages": [
         {
             "name": "adoy/fastcgi-client",
@@ -2560,7 +2560,7 @@
             "source": {
                 "type": "git",
                 "url": "https://git.spooner.io/spooner/deployer_information/",
-                "reference": "b58feca58d103ff6358e44d83d592b11bc4e7813"
+                "reference": "b4d68d5f40cc914abe7aafe6eb46c47da40cc125"
             },
             "require": {
                 "php": "^7.2",
@@ -2596,7 +2596,7 @@
                 "toolbar",
                 "typo3"
             ],
-            "time": "2020-09-10T09:11:16+00:00"
+            "time": "2020-09-10T09:00:17+00:00"
         },
         {
             "name": "symfony/cache",
@@ -7788,11 +7788,11 @@
         }
     ],
     "aliases": [],
-    "minimum-stability": "dev",
+    "minimum-stability": "stable",
     "stability-flags": {
         "t3o/t3org_layout": 20
     },
-    "prefer-stable": true,
+    "prefer-stable": false,
     "prefer-lowest": false,
     "platform": [],
     "platform-dev": [],