Bump elliptic from 6.5.2 to 6.5.3 in /website (#259)

Author: dependabot[bot]

Diff for: website/yarn.lock

@@ -3745,9 +3745,9 @@ electron-to-chromium@^1.3.390:
   integrity sha512-gaCDfX7IUH0s3JmBiHCDPrvVcdnTTP1r4WLJc2dHkYYbLmXZ2XHiJCcGQ9Balf91aKTvuCKCyu2JjJYRykoI1w==
 
 elliptic@^6.0.0, elliptic@^6.5.2:
-  version "6.5.2"
-  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.2.tgz#05c5678d7173c049d8ca433552224a495d0e3762"
-  integrity sha512-f4x70okzZbIQl/NSRLkI/+tteV/9WqL98zx+SQ69KbXxmVrmjwsNUPn/gYJJ0sHvEak24cZgHIPegRePAtA/xw==
+  version "6.5.3"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.3.tgz#cb59eb2efdaf73a0bd78ccd7015a62ad6e0f93d6"
+  integrity sha512-IMqzv5wNQf+E6aHeIqATs0tOLeOTwj1QKbRcS3jBbYkl5oLAserA8yJTT7/VyHUYG91PRmPyeQDObKLPpeS4dw==
   dependencies:
     bn.js "^4.4.0"
     brorand "^1.0.1"