Enable opt_hier by default#3483

openroad-ci wants to merge 5 commits intoThe-OpenROAD-Project:masterThe-OpenROAD-Project/OpenROAD-flow-scripts:masterfrom

The-OpenROAD-Project-staging:secure-opt-hier-testThe-OpenROAD-Project-staging/OpenROAD-flow-scripts:secure-opt-hier-testCopy head branch name to clipboard