feat: update composer.json to remove prefer-stable config

Signed-off-by: Sam Poyigi <[email protected]>

Author: sampoyigi

composer.json

@@ -55,6 +55,5 @@
     },
     "sort-packages": true
   },
-  "minimum-stability": "beta",
-  "prefer-stable": true
+  "minimum-stability": "beta"
 }