Update getLimitForBigInt method to return 4294967295 for Mongo and SQL adapters

- Adjusted the getLimitForBigInt method in both Mongo and SQL classes to return 4294967295, reflecting the maximum value for a 32-bit unsigned integer.
- Updated comments to clarify the handling of integer limits in PHP.

Author: ArnabChatterjee20k

src/Database/Adapter/Mongo.php

@@ -3014,7 +3014,7 @@ public function getLimitForInt(): int
     public function getLimitForBigInt(): int
     {
         // Mongo does not handle integers directly, so using MariaDB limit for now
-        return 18446744073709551615;
+        return 4294967295;
     }
 
     /**

src/Database/Adapter/SQL.php

@@ -906,7 +906,8 @@ public function getLimitForBigInt(): int
         // 2^64 - 1
         // 18446744073709551615 is the maximum value for a 64-bit unsigned integer
         // 9223372036854775807 is the maximum value for a 64-bit signed integer
-        return 18446744073709551615;
+        // in php we can't represent 64-bit integer, so greater than 4294967295 will be treated as bigint
+        return 4294967295;
     }
 
     /**