Cell Dissemination (Partial messages) (#8314)

- https://github.com/ethereum/consensus-specs/pull/4558
- https://eips.ethereum.org/EIPS/eip-8136


  


Co-Authored-By: Daniel Knopik <daniel@dknopik.de>

Co-Authored-By: Pawan Dhananjay <pawandhananjay@gmail.com>

Co-Authored-By: Jimmy Chen <jchen.tc@gmail.com>

beacon_node/execution_layer/src/engine_api.rs

@@ -596,6 +596,7 @@ pub struct EngineCapabilities {
     pub get_client_version_v1: bool,
     pub get_blobs_v1: bool,
     pub get_blobs_v2: bool,
+    pub get_blobs_v3: bool,
 }
 
 impl EngineCapabilities {