Add support for fulu fork epoch and bpo schedule (#15975)

* wip

* fixing tests

* adding script to update workspace for eth clients

* updating test sepc to 1.6.0 and fixing broadcaster test

* fix specrefs

* more ethspecify fixes

* still trying to fix ethspecify

* fixing attestation tests

* fixing sha for consensus specs

* removing script for now until i have something more standard

* fixing more p2p tests

* fixing discovery tests

* attempting to fix discovery test flakeyness

* attempting to fix port binding issue

* more attempts to fix flakey tests

* Revert "more attempts to fix flakey tests"

This reverts commit 25e8183703.

* Revert "attempting to fix port binding issue"

This reverts commit 583df8000d.

* Revert "attempting to fix discovery test flakeyness"

This reverts commit 3c76525870.

* Revert "fixing discovery tests"

This reverts commit 8c701bf3b9.

* Revert "fixing more p2p tests"

This reverts commit 140d5db203.

* Revert "fixing attestation tests"

This reverts commit 26ded244cb.

* fixing attestation tests

* fixing more p2p tests

* fixing discovery tests

* attempting to fix discovery test flakeyness

* attempting to fix port binding issue

* more attempts to fix flakey tests

* changelog

* fixing import

* adding some missing dependencies, but  TestService_BroadcastAttestationWithDiscoveryAttempts is still failing

* attempting to fix test

* reverting test as it migrated to other pr

* reverting test

* fixing test from merge

* Fix `TestService_BroadcastAttestationWithDiscoveryAttempts`.

* Fix again `TestService_Start_OnlyStartsOnce`.

* fixing TestListenForNewNodes

* removing manual set of fulu epoch

* missed a few

* fixing subnet test

* Update beacon-chain/rpc/eth/config/handlers_test.go

Co-authored-by: Preston Van Loon <pvanloon@offchainlabs.com>

* removing a few more missed spots of reverting fulu epoch setting

* updating test name based on feedback

* fixing rest apis, they actually need the setting of the epoch due to the guard

---------

Co-authored-by: Manu NALEPA <enalepa@offchainlabs.com>
Co-authored-by: Preston Van Loon <pvanloon@offchainlabs.com>

WORKSPACE

@@ -253,16 +253,16 @@ filegroup(
     url = "https://github.com/ethereum/EIPs/archive/5480440fe51742ed23342b68cf106cefd427e39d.tar.gz",
 )
 
-consensus_spec_version = "v1.6.0-beta.2"
+consensus_spec_version = "v1.6.0"
 
 load("@prysm//tools:download_spectests.bzl", "consensus_spec_tests")
 
 consensus_spec_tests(
     name = "consensus_spec_tests",
     flavors = {
-        "general": "sha256-oEj0MTViJHjZo32nABK36gfvSXpbwkBk/jt6Mj7pWFI=",
-        "minimal": "sha256-cS4NPv6IRBoCSmWomQ8OEo8IsVNW9YawUFqoRZQBUj4=",
-        "mainnet": "sha256-BYuLndMPAh4p13IRJgNfVakrCVL69KRrNw2tdc3ETbE=",
+        "general": "sha256-54hTaUNF9nLg+hRr3oHoq0yjZpW3MNiiUUuCQu6Rajk=",
+        "minimal": "sha256-1JHIGg3gVMjvcGYRHR5cwdDgOvX47oR/MWp6gyAeZfA=",
+        "mainnet": "sha256-292h3W2Ffts0YExgDTyxYe9Os7R0bZIXuAaMO8P6kl4=",
     },
     version = consensus_spec_version,
 )
@@ -278,7 +278,7 @@ filegroup(
     visibility = ["//visibility:public"],
 )
     """,
-    integrity = "sha256-MForEP9dTe0z3ZkTHjX4H6waSkSTghf3gQHPwrSCCro=",
+    integrity = "sha256-VzBgrEokvYSMIIXVnSA5XS9I3m9oxpvToQGxC1N5lzw=",
     strip_prefix = "consensus-specs-" + consensus_spec_version[1:],
     url = "https://github.com/ethereum/consensus-specs/archive/refs/tags/%s.tar.gz" % consensus_spec_version,
 )
@@ -327,9 +327,9 @@ filegroup(
     visibility = ["//visibility:public"],
 )
 """,
-    integrity = "sha256-NZr/gsQK9rBHRnznlPBiNzJpK8MPMrfUa3f+QYqn1+g=",
-    strip_prefix = "mainnet-978f1794eada6f85bee76e4d2d5959a5fb8e0cc5",
-    url = "https://github.com/eth-clients/mainnet/archive/978f1794eada6f85bee76e4d2d5959a5fb8e0cc5.tar.gz",
+    integrity = "sha256-+mqMXyboedVw8Yp0v+U9GDz98QoC1SZET8mjaKPX+AI=",
+    strip_prefix = "mainnet-980aee8893a2291d473c38f63797d5bc370fa381",
+    url = "https://github.com/eth-clients/mainnet/archive/980aee8893a2291d473c38f63797d5bc370fa381.tar.gz",
 )
 
 http_archive(