Bump elliptic from 6.5.4 to 6.6.0 in /client

Bumps [elliptic](https://github.com/indutny/elliptic) from 6.5.4 to 6.6.0.
- [Commits](indutny/elliptic@v6.5.4...v6.6.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

client/yarn.lock

@@ -931,23 +931,10 @@ duplexify@^3.4.2, duplexify@^3.6.0:
   resolved "https://registry.yarnpkg.com/elkjs/-/elkjs-0.9.3.tgz#16711f8ceb09f1b12b99e971b138a8384a529161"
   integrity sha512-f/ZeWvW/BCXbhGEf1Ujp29EASo/lk1FDnETgNKwJrsVvGZhUWCZyg3xLJjAsxfOmt8KjswHmI5EwCQcPMpOYhQ==
 
-elliptic@^6.0.0:
-  version "6.5.4"
-  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.4.tgz#da37cebd31e79a1367e941b592ed1fbebd58abbb"
-  integrity sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==
-  dependencies:
-    bn.js "^4.11.9"
-    brorand "^1.1.0"
-    hash.js "^1.0.0"
-    hmac-drbg "^1.0.1"
-    inherits "^2.0.4"
-    minimalistic-assert "^1.0.1"
-    minimalistic-crypto-utils "^1.0.1"
-
-elliptic@^6.5.5:
-  version "6.5.5"
-  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.5.tgz#c715e09f78b6923977610d4c2346d6ce22e6dded"
-  integrity sha512-7EjbcmUm17NQFu4Pmgmq2olYMj8nwMnpcddByChSUjArp8F5DQWcIcpriwO4ZToLNAJig0yiyjswfyGNje/ixw==
+elliptic@^6.0.0, elliptic@^6.5.5:
+  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"
@@ -2831,7 +2818,7 @@ run-queue@^1.0.0, run-queue@^1.0.3:
   dependencies:
     aproba "^1.1.1"
 
-safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@~5.2.0:
+safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@^5.2.1, safe-buffer@~5.2.0:
   version "5.2.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
   integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==