bump sonar

Signed-off-by: Adam Setch <adam.setch@outlook.com>

Author: setchy

sonar-project.properties

@@ -4,7 +4,7 @@
 # =====================================================
 sonar.projectKey=gitify-app_gitify
 sonar.organization=gitify-app
-sonar.projectVersion=v6.15.0
+sonar.projectVersion=v6.16.0
 sonar.projectDescription=GitHub notifications on your menu bar.