Add Deneb builder test & update mock builder (#4607)

* Update mock builder, mev-rs dependencies, eth2 lib to support deneb builder flow

* Replace `sharingForkTime` with `cancunTime`

* Patch `ethereum-consensus` to include some deneb-devnet-8 changes

* Add deneb builder test and fix block contents deserialization

* Fix builder bid encoding issue and passing deneb builder test \o/

* Fix test compilation

* Revert `cancunTime` change in genesis to pass doppelganger tests

scripts/local_testnet/genesis.json

@@ -13,7 +13,7 @@
     "londonBlock": 0,
     "mergeNetsplitBlock": 0,
     "shanghaiTime": 0,
-    "shardingForkTime": 0,
+    "cancunTime": 0,
     "terminalTotalDifficulty": 0,
     "terminalTotalDifficultyPassed": true
   },

scripts/local_testnet/start_local_testnet.sh

@@ -110,7 +110,7 @@ echo $CAPELLA_TIME
 sed -i 's/"shanghaiTime".*$/"shanghaiTime": '"$CAPELLA_TIME"',/g' $genesis_file
 CANCUN_TIME=$((GENESIS_TIME + (DENEB_FORK_EPOCH * 32 * SECONDS_PER_SLOT)))
 echo $CANCUN_TIME
-sed -i 's/"shardingForkTime".*$/"shardingForkTime": '"$CANCUN_TIME"',/g' $genesis_file
+sed -i 's/"cancunTime".*$/"cancunTime": '"$CANCUN_TIME"',/g' $genesis_file
 cat $genesis_file
 
 # Delay to let boot_enr.yaml to be created
@@ -141,7 +141,7 @@ sleeping 20
 
 # Reset the `genesis.json` config file fork times.
 sed -i 's/"shanghaiTime".*$/"shanghaiTime": 0,/g' $genesis_file
-sed -i 's/"shardingForkTime".*$/"shardingForkTime": 0,/g' $genesis_file
+sed -i 's/"cancunTime".*$/"cancunTime": 0,/g' $genesis_file
 
 for (( bn=1; bn<=$BN_COUNT; bn++ )); do
     secret=$DATADIR/geth_datadir$bn/geth/jwtsecret