Increased minimum SDK version

Author: Geolim4

README.md

@@ -23,7 +23,7 @@ composer install phpfastcache/dynamodb-extension
 ```
 
 #### ⚠️ This extension requires:
-1️ The composer `aws/aws-sdk-php` library `3.0` at least.
+1️ The composer `aws/aws-sdk-php` library `3.20` at least.
 
 ## Events
 This driver is currently emitting [customs events](https://github.com/PHPSocialNetwork/phpfastcache/blob/master/docs/EVENTS.md).

composer.json

@@ -18,7 +18,7 @@
     "require": {
         "php": ">=8.0",
         "phpfastcache/phpfastcache": "^9.2",
-        "aws/aws-sdk-php": "~3.0"
+        "aws/aws-sdk-php": "~3.20"
     },
     "require-dev": {
         "phpmd/phpmd": "@stable",