bump mentions

install/package.json

@@ -70,7 +70,7 @@
         "nodebb-plugin-emoji": "^2.2.2",
         "nodebb-plugin-emoji-android": "2.0.0",
         "nodebb-plugin-markdown": "8.4.4",
-        "nodebb-plugin-mentions": "2.2.6",
+        "nodebb-plugin-mentions": "2.2.8",
         "nodebb-plugin-soundpack-default": "1.0.0",
         "nodebb-plugin-spam-be-gone": "0.5.4",
         "nodebb-rewards-essentials": "0.0.11",