Bump elliptic from 6.5.2 to 6.5.3 in /ui

Bumps [elliptic](https://github.com/indutny/elliptic) from 6.5.2 to 6.5.3.
- [Release notes](https://github.com/indutny/elliptic/releases)
- [Commits](https://github.com/indutny/elliptic/compare/v6.5.2...v6.5.3)

Signed-off-by: dependabot[bot] <support@github.com>

ui/yarn.lock

@@ -4242,9 +4242,9 @@ electron-to-chromium@^1.3.378, electron-to-chromium@^1.3.413:
   integrity sha512-jaVZ9+8HG2qvEN7c9r5EVguvhtevITJou4L10XuqoiZUoXIMF5qLG1pB9raP3WFcME4exDZRq1b6qyCA+u5Vew==
 
 elliptic@^6.0.0, elliptic@^6.5.2:
-  version "6.5.2"
+  version "6.5.3"
-  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.2.tgz#05c5678d7173c049d8ca433552224a495d0e3762"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.3.tgz#cb59eb2efdaf73a0bd78ccd7015a62ad6e0f93d6"
-  integrity sha512-f4x70okzZbIQl/NSRLkI/+tteV/9WqL98zx+SQ69KbXxmVrmjwsNUPn/gYJJ0sHvEak24cZgHIPegRePAtA/xw==
+  integrity sha512-IMqzv5wNQf+E6aHeIqATs0tOLeOTwj1QKbRcS3jBbYkl5oLAserA8yJTT7/VyHUYG91PRmPyeQDObKLPpeS4dw==
   dependencies:
     bn.js "^4.4.0"
     brorand "^1.0.1"