bump librarian to +22

apps/librarian/pubspec.yaml

@@ -10,7 +10,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # followed by an optional build number separated by a +.
 # Both the version and the builder number may be overridden in flutter
 # build by specifying --build-name and --build-number, respectively.
-version: 1.0.0+21
+version: 1.0.0+22
 
 environment:
   sdk: '>=3.0.0'