fix(CI and tests): merkle tree ffi tests and pin go-ethereum version in aggregator build#2004

JuArce merged 3 commits intostagingyetanotherco/aligned_layer:stagingfrom

2003-fixoperator-merkle-tree-ffi-testsyetanotherco/aligned_layer:2003-fixoperator-merkle-tree-ffi-testsCopy head branch name to clipboard