Bump elliptic from 6.5.7 to 6.6.0 in /ui (#1070)

Bumps [elliptic](https://github.com/indutny/elliptic) from 6.5.7 to 6.6.0.
- [Commits](indutny/elliptic@v6.5.7...v6.6.0)

---
updated-dependencies:
- dependency-name: elliptic
  dependency-type: indirect
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

ui/yarn.lock

@@ -4418,9 +4418,9 @@ electron-to-chromium@^1.3.571:
   integrity sha512-L9BwLwJohjZW9mQESI79HRzhicPk1DFgM+8hOCfGgGCFEcA3Otpv7QK6SGtYoZvfQfE3wKLh0Hd5ptqUFv3gvQ==
 
 elliptic@^6.5.3, elliptic@^6.5.4:
-  version "6.5.7"
-  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.7.tgz#8ec4da2cb2939926a1b9a73619d768207e647c8b"
-  integrity sha512-ESVCtTwiA+XhY3wyh24QqRGBoP3rEdDUl3EDUUo9tft074fi19IrdpH7hLCMMP3CIj7jb3W96rn8lt/BqIlt5Q==
+  version "6.6.0"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.6.0.tgz#5919ec723286c1edf28685aa89261d4761afa210"
+  integrity sha512-dpwoQcLc/2WLQvJvLRHKZ+f9FgOdjnq11rurqwekGQygGPsYSK29OMMD2WalatiqQ+XGFDglTNixpPfI+lpaAA==
   dependencies:
     bn.js "^4.11.9"
     brorand "^1.1.0"