* op-node: L2 Dencun implementation updates

init branch

Update reference to Eclipse/Ecotone in specs.

Pull in Danyal's deposit source and add additional tests.

Add notion of ParentBeaconRoot and build a contract deploy tx in attributes.go.

Add a test for activating dencun l2 fork after genesis.

Add draft ecotone setup.

Add first pass of Eclipse upgrade txns

Fix tests/compile

Code review feedback

Obey linter.

Move ecotone setup to helpers.go; get the ParentBeaconBlockRoot from the l1Info in attributes.go.

chore(op-node): Add tests for Ecotone deposit transactions (#8746)

* Source hash teEvanJRichard <evan@oplabs.co>

dencun review fixes

derive: ecotone upgradeTo abi encoding

op-e2e: test L2 exclusion of blob-txs in Ecotone

op-node/rollup: deduplicate ecotone activation helper func, fix rollup config var name

op-chain-ops: clarify 4788 contract nonce

op-node/rollup: add setEcotone to ecotone upgrade txs

dencun review fixes

Dencun: P2P / EngineAPI / ExecutionPayloadEnvelope changes

Includes:
- Pass through execution payload (Envelope type everywhere) by Danyal,
  extended by Proto
- Fix ecotone upgrade txns, by Danyal
- ci fixes by Danyal
- P2P Req/Resp (version based encoding/decoding) by Danyal
- EngineAPI v3 usage by Danyl, rebased by Proto on EngineController (from
  trianglesphere)
- Block v3 Gossip validation, by Danyal
- Block v3 Gossip publishing, by Proto

Rebased on updated Ecotone / Dencun base branch

op-e2e: fix upgrade-txs count in test

op-node: fix l1 info scalar migration, implement dencun review suggestions

op-node: more dencun review nit fixes

op-node: rabbit suggestions, but fixed

Fix nil pointer in p2p sync for Ecotone blocks

dencun: fix more nits

op-e2e: fix lint
Co-authored-by: Danyal Prout <me@dany.al>
Co-authored-by: protolambda <proto@protolambda.com>
Co-authored-by: EvanJRichard <evan@oplabs.co>

* Add tests for attribute matching

* Provide a no-op blob fetcher to prevent derivation error

Fail tests when there is an unknown error

Fix typo / empty array to nil

Update L2 tests to ecotone / add additional checks

* op-e2e: dencun action-test setup fixes

* op-node: op-conductor dencun todo

* dencun: fix review nit about parent beacon block root gossip check style

---------
Co-authored-by: Danyal Prout <me@dany.al>
Co-authored-by: protolambda <proto@protolambda.com>