[Docs] Update library minimum target 1.3.2 -> 1.3.3

Author: SHcommit

README.md

@@ -53,8 +53,7 @@ Finally, add `Import SHFirestoreService` to your source code.
 ## Minimum Requirements
 | SHFirestoreService       | Date         | Swift        | Platforms                           |
 |------------|--------------|-------------|-----------------------------------------------|
-| SHFirestoreService 1.2.9  | May 16, 2024  | Swift 5.0   | iOS 13.0 |
-| SHFirestoreService 1.3.2  | May 19, 2024  | Swift 5.0   | iOS 13.0 |
+| SHFirestoreService 1.3.3  | May 20, 2024  | Swift 5.0   | iOS 13.0 |
 
 
 ## Author