Bump elliptic from 6.5.4 to 6.6.1 (#11)

Bumps [elliptic](https://github.com/indutny/elliptic) from 6.5.4 to 6.6.1.
- [Commits](indutny/elliptic@v6.5.4...v6.6.1)

---
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]

package-lock.json

@@ -2671,8 +2671,8 @@ elegant-spinner@^1.0.1:
   resolved "https://registry.yarnpkg.com/elegant-spinner/-/elegant-spinner-1.0.1.tgz#db043521c95d7e303fd8f345bedc3349cfb0729e"
 
 elliptic@^6.5.3, elliptic@^6.5.4:
-  version "6.5.4"
-  resolved "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz"
+  version "6.6.1"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.6.1.tgz#3b8ffb02670bf69e382c7f65bf524c97c5405c06"
   dependencies:
     bn.js "^4.11.9"
     brorand "^1.1.0"