Ephemery: Back to the Genesis

This is a fork of https://github.com/ethereum/staking-deposit-cli with support for the ephemery testnet.
This relese is based on v2.3.0 (Görli is a Go).
Only the ephemery testnet config has been added.

Platform	Compressed file	SHA256 Checksum
Linux amd64	staking_deposit-cli-ed705bb-linux-amd64.tar.gz	00e88aa43b509ac9ac0d9846588400303fbe0990423b804781fcab9e4830e3e8
Linux arm64	staking_deposit-cli-ed705bb-linux-arm64.tar.gz	5cfee267203012a13b839ebb4d141fc53fe6b60b42530d7c9ea4c74d38f73c09
macOS amd64	staking_deposit-cli-ed705bb-darwin-amd64.tar.gz	aeee86a8345fd73a850663a5d19c9454722f188200531384ab89c45bbe9023aa
Windows amd64	staking_deposit-cli-ed705bb-windows-amd64.zip	fe0e5528404f1bcf505adf8a10e834be1f15e30ad0ee16071999f92341a0128d