Update ReadMe

The versions for Silverstripe and Fluent in the README.md have been updated to allow compatibility with older versions. The composer package installation command was also modified to use the latest stable version instead of targeting a specific Silverstripe version.

README.md

@@ -2,8 +2,8 @@
 Module for auto translation using Google Cloud Translation for Silverstripe with Fluent.
 
 ## Requirements
-- [Silverstripe](https://github.com/silverstripe/silverstripe-framework) ^5
-- [Fluent](https://github.com/tractorcow-farm/silverstripe-fluent) >=7
+- [Silverstripe](https://github.com/silverstripe/silverstripe-framework) ^4 || ^5
+- [Fluent](https://github.com/tractorcow-farm/silverstripe-fluent) >=4
 - PHP >= 8
 - ext-json
 
@@ -17,7 +17,7 @@ Module for auto translation using Google Cloud Translation for Silverstripe with
 ],
 ```
 
-`composer require lever51/silverstripe-fluent-autotranslate:dev-ss5`
+`composer require lever51/silverstripe-fluent-autotranslate:dev-master`
 
 ## Setup
 Define the API key for the Google Cloud Translation API like this: