[Mobile][Photos] Bump up version to v0.8.74 (#1284)

mobile/pubspec.yaml

@@ -12,7 +12,7 @@ description: ente photos application
 # Read more about iOS versioning at
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
 
-version: 0.8.73+593
+version: 0.8.74+594
 publish_to: none
 
 environment: