Bump elliptic from 6.5.7 to 6.6.0 in /frontend

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

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

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

frontend/package-lock.json

@@ -8718,9 +8718,9 @@
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     },
     "node_modules/elliptic": {
-      "version": "6.5.7",
-      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.7.tgz",
-      "integrity": "sha512-ESVCtTwiA+XhY3wyh24QqRGBoP3rEdDUl3EDUUo9tft074fi19IrdpH7hLCMMP3CIj7jb3W96rn8lt/BqIlt5Q==",
+      "version": "6.6.0",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.6.0.tgz",
+      "integrity": "sha512-dpwoQcLc/2WLQvJvLRHKZ+f9FgOdjnq11rurqwekGQygGPsYSK29OMMD2WalatiqQ+XGFDglTNixpPfI+lpaAA==",
       "dependencies": {
         "bn.js": "^4.11.9",
         "brorand": "^1.1.0",
@@ -24492,9 +24492,9 @@
       "integrity": "sha512-XzWNH4ZSa9BwVUQSDorPWAUQ5WGuYz7zJUNpNif40zFCiCl20t8zgylmreNmn26h5kiyw2lg7RfTmeMBsDklqg=="
     },
     "elliptic": {
-      "version": "6.5.7",
-      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.7.tgz",
-      "integrity": "sha512-ESVCtTwiA+XhY3wyh24QqRGBoP3rEdDUl3EDUUo9tft074fi19IrdpH7hLCMMP3CIj7jb3W96rn8lt/BqIlt5Q==",
+      "version": "6.6.0",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.6.0.tgz",
+      "integrity": "sha512-dpwoQcLc/2WLQvJvLRHKZ+f9FgOdjnq11rurqwekGQygGPsYSK29OMMD2WalatiqQ+XGFDglTNixpPfI+lpaAA==",
       "requires": {
         "bn.js": "^4.11.9",
         "brorand": "^1.1.0",