Bump elliptic in /cumulus/scripts/scale_encode_genesis
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] <[email protected]>