Updating Fast Sync config files (NethermindEth#3671) Co-authored-by: matilote <matilote@users.noreply.github.com>

Updating Fast Sync config files (NethermindEth#3648) Co-authored-by: matilote <matilote@users.noreply.github.com>

fix publish downloads script 

disable 3607 for eth call (NethermindEth#3580) * fix? * Fix tests * Add estimate gas test Co-authored-by: MarekM25 <marekm2504@gmail.com>

London hard fork on POA Core (NethermindEth#3564) (cherry picked from commit 4cace1d)

Merge branch 'master' of https://github.com/NethermindEth/nethermind 

Feature/increase xdai mem pool size (NethermindEth#3471) * Increase xdai tx pool size to 8192 * Increase xdai memory hint

Refactor TxBroadcaster (NethermindEth#3377) * refactor TxBroadcaster * update tests * fix tests * no more FutureNonceRetention * add hashes request limit * refactor txs request * cleaning * add TxPool test * TransactionsMessage limit tests * add Eth65ProtocolHandlerTests and NewPooledTransactionHashesMessage limit tests * small refactor * add proper metrics * fix metrics * one more metric * small refactor * cosmetic * decrease max hashes count in one message to 3200 (as in geth) * refactor NewPooledTransactionHashesMessage * lazy enumeration instead of allocating arrays * fix NullReferenceException * make tests green * small refactoring * Revert launchSettings.json change Co-authored-by: lukasz.rozmej <lukasz.rozmej@gmail.com>

Merge branch 'master' of https://github.com/NethermindEth/nethermind 

Synchronize LruKeyCache.Clear (NethermindEth#3361)