fix options_send_not_track title and desc. AG-24707

Squashed commit of the following:

commit 00924af
Author: Slava Leleka <v.leleka@adguard.com>
Date:   Mon Sep 11 15:52:23 2023 +0300

    fix options_send_not_track title and desc

Extension/_locales/en/messages.json

@@ -747,10 +747,10 @@
         "message": "Hide the queries for websites visited from a search engine."
     },
     "options_send_not_track_title": {
-        "message": "Send websites signals not to track you"
+        "message": "Ask websites not to track you"
     },
     "options_send_not_track_desc": {
-        "message": "Send the <gpc>Global Privacy Control<\/gpc> and <dnt>Do Not Track<\/dnt> signals to the websites you are visiting."
+        "message": "Send the <gpc>Global Privacy Control<\/gpc> and <dnt>Do Not Track<\/dnt> requests to the websites you visit."
     },
     "options_stripped_tracking_parameters": {
         "message": "Tracking parameters removed"