Translate en.json in sw

99% of minimum 80% translated source file: 'en.json'
on 'sw'.

Sync of partially translated files: 
untranslated content is included with an empty translation 
or source language content depending on file format

apps/web-mzima-client/src/assets/locales/sw.json

@@ -2763,7 +2763,7 @@
     "regex": "Jina la kategoria lazima liwe na herufi, nambari, nafasi na uakifishaji pekee",
     "isUniqueEmail": "{{field}} tayari inatumika",
     "isUniqueUsername": "{{field}} tayari inatumika",
-    "isUserSelf": "You cannot change your own role",
+    "isUserSelf": "Huwezi kubadilisha jukumu lako mwenyewe",
     "adminUserLimitReached": "limit:{{:admin}}"
   }
 }