* First take at updating everything to v5
* Patch gRPC gateway to use prysm v5
Fix patch
* Update go ssz
---------
Co-authored-by: Preston Van Loon <pvanloon@offchainlabs.com>
* Sign BLS_TO_EXECUTION_CHANGES with GENESIS_FORK_VERSION
* update spectests
* extra blank line
* fix consensus_specs_sha
* get rid of LightClients tests
* fix unit tests
Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>