bump release version to v1.0.2+5

Author: rohan20

pubspec.yaml

@@ -2,7 +2,7 @@ name: fluttercon
 description: Fluttercon Berlin 2023
 publish_to: 'none'
 
-version: 1.0.1+4
+version: 1.0.2+5
 
 environment:
   sdk: '>=3.0.5 <4.0.0'