v1.7.0-alpha.6

Phase0 Add executable gossip validation functions for altair ( #5033 ) Move deposit contract to new repo ( #5137 ) Add executable gossip validation functions for bellatrix ( #5047 ) Split out is_valid_merkle_branch root computation ( #5166 ) Altair Add executable gossip validation functions for altair ( #5033 ) Define deprecated containers ( #5142 ) Bellatrix Deprecate functions for previous…