build(deps-dev): bump elliptic from 6.5.4 to 6.6.0

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

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

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

package-lock.json

@@ -2028,8 +2028,7 @@
     "node_modules/@date-io/core": {
       "version": "1.3.13",
       "resolved": "https://registry.npmjs.org/@date-io/core/-/core-1.3.13.tgz",
-      "integrity": "sha512-AlEKV7TxjeK+jxWVKcCFrfYAk8spX9aCyiToFIiLPtfQbsjmRGLIhb5VZgptQcJdHtLXo7+m0DuurwFgUToQuA==",
-      "peer": true
+      "integrity": "sha512-AlEKV7TxjeK+jxWVKcCFrfYAk8spX9aCyiToFIiLPtfQbsjmRGLIhb5VZgptQcJdHtLXo7+m0DuurwFgUToQuA=="
     },
     "node_modules/@emotion/cache": {
       "version": "10.0.29",
@@ -7364,9 +7363,9 @@
       "dev": true
     },
     "node_modules/elliptic": {
-      "version": "6.5.4",
-      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
-      "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
+      "version": "6.6.0",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.6.0.tgz",
+      "integrity": "sha512-dpwoQcLc/2WLQvJvLRHKZ+f9FgOdjnq11rurqwekGQygGPsYSK29OMMD2WalatiqQ+XGFDglTNixpPfI+lpaAA==",
       "dev": true,
       "dependencies": {
         "bn.js": "^4.11.9",
@@ -23231,8 +23230,7 @@
     "@date-io/core": {
       "version": "1.3.13",
       "resolved": "https://registry.npmjs.org/@date-io/core/-/core-1.3.13.tgz",
-      "integrity": "sha512-AlEKV7TxjeK+jxWVKcCFrfYAk8spX9aCyiToFIiLPtfQbsjmRGLIhb5VZgptQcJdHtLXo7+m0DuurwFgUToQuA==",
-      "peer": true
+      "integrity": "sha512-AlEKV7TxjeK+jxWVKcCFrfYAk8spX9aCyiToFIiLPtfQbsjmRGLIhb5VZgptQcJdHtLXo7+m0DuurwFgUToQuA=="
     },
     "@emotion/cache": {
       "version": "10.0.29",
@@ -23600,6 +23598,7 @@
       "integrity": "sha512-hS4pxwn1ZGXVkmgD4tpFpaumUaAg2ZzbTrxltfC5yPw4BJV+mGkfnQOB4VpWEYZw2jv65Z0wLwDE/piQiPPZ3w==",
       "requires": {
         "@babel/runtime": "^7.6.0",
+        "@date-io/core": "1.x",
         "@types/styled-jsx": "^2.2.8",
         "clsx": "^1.0.2",
         "react-transition-group": "^4.0.0",
@@ -27647,9 +27646,9 @@
       "dev": true
     },
     "elliptic": {
-      "version": "6.5.4",
-      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
-      "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
+      "version": "6.6.0",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.6.0.tgz",
+      "integrity": "sha512-dpwoQcLc/2WLQvJvLRHKZ+f9FgOdjnq11rurqwekGQygGPsYSK29OMMD2WalatiqQ+XGFDglTNixpPfI+lpaAA==",
       "dev": true,
       "requires": {
         "bn.js": "^4.11.9",