Pull request: upd-i18n

Merge in DNS/adguard-home from upd-i18n to master

Squashed commit of the following:

commit e32d907806f29d78d91a9962f7d0a7ba1f17f5a5
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Wed Sep 7 15:01:22 2022 +0300

    client: imp be locale

commit 4701b98b4115b66cf5decda4e43d4e4d459b95ad
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Wed Sep 7 14:57:27 2022 +0300

    client: upd i18n

scripts/translations/download.js

@@ -1,3 +1,6 @@
+// TODO(a.garipov): Rewrite this in Go; add better concurrency controls; add
+// features for easier maintenance.
+
 const fs = require('fs');
 const path = require('path');
 const requestPromise = require('request-promise');
@@ -107,7 +110,7 @@ const download = async () => {
 
         // Don't request the Crowdin API too aggressively to prevent spurious
         // 400 errors.
-        await sleep(300);
+        await sleep(400);
     }
 
     Promise