In-memory tree states (#5533)

* Consensus changes

* EF tests

* lcli

* common and watch

* account manager

* cargo

* fork choice

* promise cache

* beacon chain

* interop genesis

* http api

* lighthouse

* op pool

* beacon chain misc

* parallel state cache

* store

* fix issues in store

* IT COMPILES

* Remove some unnecessary module qualification

* Revert Arced pubkey optimization (#5536)

* Merge remote-tracking branch 'origin/unstable' into tree-states-memory

* Fix caching, rebasing and some tests

* Remove unused deps

* Merge remote-tracking branch 'origin/unstable' into tree-states-memory

* Small cleanups

* Revert shuffling cache/promise cache changes

* Fix state advance bugs

* Fix shuffling tests

* Remove some resolved FIXMEs

* Remove StateProcessingStrategy

* Optimise withdrawals calculation

* Don't reorg if state cache is missed

* Remove inconsistent state func

* Fix beta compiler

* Rebase early, rebase often

* Fix state caching behaviour

* Update to milhouse release

* Fix on-disk consensus context format

* Merge remote-tracking branch 'origin/unstable' into tree-states-memory

* Squashed commit of the following:

commit 3a16649023
Author: Michael Sproul <michael@sigmaprime.io>
Date:   Thu Apr 18 14:26:09 2024 +1000

    Fix on-disk consensus context format

* Keep indexed attestations, thanks Sean

* Merge branch 'on-disk-consensus-context' into tree-states-memory

* Merge branch 'unstable' into tree-states-memory

* Address half of Sean's review

* More simplifications from Sean's review

* Cache state after get_advanced_hot_state

beacon_node/beacon_chain/tests/block_verification.rs

@@ -15,8 +15,7 @@ use slasher::{Config as SlasherConfig, Slasher};
 use state_processing::{
     common::get_indexed_attestation,
     per_block_processing::{per_block_processing, BlockSignatureStrategy},
-    per_slot_processing, BlockProcessingError, ConsensusContext, StateProcessingStrategy,
-    VerifyBlockRoot,
+    per_slot_processing, BlockProcessingError, ConsensusContext, VerifyBlockRoot,
 };
 use std::marker::PhantomData;
 use std::sync::Arc;
@@ -1309,7 +1308,6 @@ async fn add_base_block_to_altair_chain() {
                 &mut state,
                 &base_block,
                 BlockSignatureStrategy::NoVerification,
-                StateProcessingStrategy::Accurate,
                 VerifyBlockRoot::True,
                 &mut ctxt,
                 &harness.chain.spec,
@@ -1445,7 +1443,6 @@ async fn add_altair_block_to_base_chain() {
                 &mut state,
                 &altair_block,
                 BlockSignatureStrategy::NoVerification,
-                StateProcessingStrategy::Accurate,
                 VerifyBlockRoot::True,
                 &mut ctxt,
                 &harness.chain.spec,