v0.2.15

What's Changed

• Bump ethereum-elc to v0.0.20 by @bluele in #57

Updated Modules

• ethereum-elc: https://github.com/datachainlab/ethereum-elc/releases/tag/v0.0.20
• ethereum-ibc-relay-prover: https://github.com/datachainlab/ethereum-ibc-relay-prover/releases/tag/v0.3.4

Full Changelog: v0.2.14...v0.2.15