v0.38.1: SHA256 in execution engine

What's Changed

• Fixes issue #3277 Signature catchup efficiently by @hewison-chris in #3278
• Replace assertion with exception for unit test network by @hewison-chris in #3279
• Engine: Implement OP.HASH_SHA256 by @omerfirmak in #3285
• Trivial: Improve fail logging for GossipProtocol test by @mkykadir in #3291
• TestConf: Use registry to discover test network by @mkykadir in #3286
• Prevent headers which are signed by slashed validators by @hewison-chris in #3297
• Network unit tests: Advance clock during the test by @hewison-chris in #3299
• Config: Make LoggerConfig additive flag default true by @mkykadir in #3302
• Log function name as log origin by @hewison-chris in #3301
• Trivial: Remove TransactionRelayerFeeImpl unnecessary ctor field by @mkykadir in #3305
• Trivial: Use createTimer for Client gossip timer by @mkykadir in #3306

Full Changelog: v0.38.0...v0.38.1