feat: Bump parse_server_sdk from 6.4.0 to 8.0.2 in /packages/flutter (#1059)

Author: dependabot[bot]

packages/flutter/pubspec.yaml

@@ -25,7 +25,7 @@ dependencies:
   flutter:
     sdk: flutter
 
-  parse_server_sdk: ^6.4.0
+  parse_server_sdk: ">=6.4.0 <10.0.0"
   # Uncomment for local testing
   #parse_server_sdk:
   #   path: ../dart