New translations contributors.json (Russian) (#7590)

Author: SeMiD

ru-RU/Website/contributors.json

@@ -17,7 +17,7 @@
   },
   "contributors.headings.presenceDevelopers": {
     "description": "Heading for group of users.",
-    "message": "Разработчики Presence"
+    "message": "Разработчики активностей"
   },
   "contributors.headings.translators": {
     "description": "Heading for group of users.",