Merge pull request #845 from doctrine/prepare-beta

prepare beta release

Author: dbu

composer.json

@@ -18,7 +18,7 @@
         {"name":"David Buchmann", "email":"[email protected]"},
         {"name":"Lukas Kahwe Smith", "email":"[email protected]"}
     ],
-    "minimum-stability": "dev",
+    "minimum-stability": "beta",
     "prefer-stable": true,
     "require": {
         "php": "^7.4 || ^8.0",