Update minimum version of ext-mongodb

Author: GromNaN

composer.json

@@ -23,7 +23,7 @@
     "license": "MIT",
     "require": {
         "php": "^8.1",
-        "ext-mongodb": "^1.15",
+        "ext-mongodb": "^1.21",
         "composer-runtime-api": "^2.0.0",
         "illuminate/cache": "^10.36|^11|^12",
         "illuminate/container": "^10.0|^11|^12",