Nim library updates, pt 2 (#9734)

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

.gitmodules

@@ -26,6 +26,7 @@
 [submodule "vendor/semver.nim"]
 	path = vendor/semver.nim
 	url = https://github.com/euantorano/semver.nim
+	branch = main
 [submodule "spellchecking"]
 	path = spellchecking
 	url = https://github.com/status-im/desktop-spellchecking.git
@@ -56,9 +57,6 @@
 [submodule "vendor/isaac"]
 	path = vendor/isaac
 	url = https://github.com/pragmagic/isaac.git
-[submodule "vendor/news"]
-	path = vendor/news
-	url = https://github.com/Tormund/news
 [submodule "vendor/nim-bearssl"]
 	path = vendor/nim-bearssl
 	url = https://github.com/status-im/nim-bearssl