Add erigon to the eth1 hashes to download in the installer, to be used as the repository option in the dappmanager. Take as reference the openethereum deprecation

Blocked by

• Create plan to maintain Erigon DAppNodePackage-erigon#69
• Can't choose Erigon as full node for DappNode DAppNodePackage-erigon#52

┆Issue is synchronized with this Basecamp todo by Unito