notes: Bump app version

Signed-off-by: Akshit Garg <[email protected]>

Author: gargakshit

pubspec.yaml

@@ -1,7 +1,7 @@
 name: potato_notes
 description: Official POSP notes app
 publish_to: "none"
-version: 2.0.0-beta2+17
+version: 2.0.0-beta3+18
 
 environment:
   sdk: ">=2.12.0 <3.0.0"