fix: optimizations

- plugins.isActive response now cached in nconf
- public addresses filtered out of actor assertion logic during
  qualification stage
- bump mentions to fix db call with empty values
- update buildRecipients to exclude public addresses and local URIs when
  building targeting array

install/package.json

@@ -103,7 +103,7 @@
         "nodebb-plugin-emoji-android": "4.1.1",
         "nodebb-plugin-link-preview": "2.2.2",
         "nodebb-plugin-markdown": "13.2.3",
-        "nodebb-plugin-mentions": "4.8.5",
+        "nodebb-plugin-mentions": "4.8.6",
         "nodebb-plugin-spam-be-gone": "2.3.2",
         "nodebb-plugin-web-push": "0.7.6",
         "nodebb-rewards-essentials": "1.0.2",
@@ -203,4 +203,4 @@
             "url": "https://github.com/barisusakli"
         }
     ]
-}
+}