Change "Specific people" to "Private mention" in menu in web UI (#33963)

app/javascript/mastodon/locales/en.json

@@ -697,7 +697,7 @@
   "poll_button.remove_poll": "Remove poll",
   "privacy.change": "Change post privacy",
   "privacy.direct.long": "Everyone mentioned in the post",
-  "privacy.direct.short": "Specific people",
+  "privacy.direct.short": "Private mention",
   "privacy.private.long": "Only your followers",
   "privacy.private.short": "Followers",
   "privacy.public.long": "Anyone on and off Mastodon",