Bump elliptic from 6.5.5 to 6.5.6

Bumps [elliptic](https://github.com/indutny/elliptic) from 6.5.5 to 6.5.6.
- [Commits](indutny/elliptic@v6.5.5...v6.5.6)

---
updated-dependencies:
- dependency-name: elliptic
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package-lock.json

@@ -219,7 +219,7 @@
 		"ansi-regex": "^6.0.1",
 		"async-lock": "^1.4.1",
 		"crypto": "^1.0.1",
-		"elliptic": "^6.5.5",
+		"elliptic": "^6.5.6",
 		"lodash": "^4.17.21",
 		"mixpanel": "^0.18.0",
 		"node-fetch": "^2.6.1",