This is part 2 of the nim library updates targeting networking and ETH
libraries:
* bearssl: upstream security updates, refactoring
* chronos: significant stability updates across the board - ie better
connection management, async fixes, updates, refactoring etc
* eth: updates across the board, including EIP support, discv5, etc
* http-utils: fixes
* json-rpc: replaced websocket engine with in-house nim-websock (vs news
which is no longer supported)
* libp2p: lots of updates, but not relevant to status-desktop as of yet
* web3: new API and conformance updates based on execution API spec
* semver: crash fix, branch name
* news: removed in favour of nim-websock
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