* core/beacon: eth/catalyst: updated engine api to new version

* core: implement exchangeTransitionConfig

* core/beacon: prevRandao instead of Random

* eth/catalyst: Fix ExchangeTransitionConfig, add test

* eth/catalyst: stop external miners on TTD reached

* node: implement --authrpc.vhosts flag

* core: allow for config override on non-mainnet networks

* eth/catalyst: fix peters comments

* eth/catalyst: make stop remote sealer more explicit

* eth/catalyst: add log output

* cmd/utils: rename authrpc.host to authrpc.addr

* eth/catalyst: disable the disabling of the miner

* eth: core: remove notion of terminal pow block

* eth: les: more of peters nitpicks