Rename EIP4844 Milestone to Deneb

[StefanBratanov]

ethereum/beacon-APIs#289

[zilm13]

Made in #6783 with several TODOs which should be completed when rename in spec is done

[zilm13]

Final cleanup TODOs:

• Update spec link to deneb in https://github.com/ConsenSys/teku/blob/a764ee42742b950fe66ca87b5f1e787b5e45e977/beacon/sync/src/main/java/tech/pegasys/teku/beacon/sync/fetch/FetchBlockAndBlobsSidecarTask.java#L49-L51
• Update spec link to deneb, remove p https://github.com/ConsenSys/teku/blob/a764ee42742b950fe66ca87b5f1e787b5e45e977/networking/eth2/src/main/java/tech/pegasys/teku/networking/eth2/rpc/beaconchain/methods/BlobsSidecarsByRangeMessageHandler.java#L134-L137
• Make DENEB constant == "deneb" when reference tests are updated https://github.com/ConsenSys/teku/blob/a764ee42742b950fe66ca87b5f1e787b5e45e977/eth-tests/src/main/java/tech/pegasys/teku/ethtests/TestFork.java#L21-L22
• Clean up hack when reference tests are updated https://github.com/ConsenSys/teku/blob/a4a0bd7c88f8f9799031fe6bb5c4e559bd66f9ab/eth-reference-tests/src/referenceTest/java/tech/pegasys/teku/reference/altair/fork/TransitionTestExecutor.java#L50-L53
• Clean up hack when reference tests are updated https://github.com/ConsenSys/teku/blob/a4a0bd7c88f8f9799031fe6bb5c4e559bd66f9ab/eth-reference-tests/src/referenceTest/java/tech/pegasys/teku/reference/altair/fork/ForkUpgradeTestExecutor.java#L41-L44
• Update setters and override when configs are updated https://github.com/ConsenSys/teku/blob/a764ee42742b950fe66ca87b5f1e787b5e45e977/ethereum/spec/src/main/java/tech/pegasys/teku/spec/config/builder/DenebBuilder.java#L28
• Update EIP4844_FORK_VERSION and EIP4844_FORK_EPOCH names in all configs: https://github.com/ConsenSys/teku/tree/a764ee42742b950fe66ca87b5f1e787b5e45e977/ethereum/spec/src/main/resources/tech/pegasys/teku/spec/config/configs and https://github.com/ConsenSys/teku/tree/a764ee42742b950fe66ca87b5f1e787b5e45e977/ethereum/spec/src/test/resources/tech/pegasys/teku/spec/config/standard
• Avoid exposing 4844 out of ckzg wrapper

[StefanBratanov]

We can close this finally with #6842 merged