OpenROAD
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Fix blocked edges and support repair_pdn_vias for a range of layers
Solves https://github.com/The-OpenROAD-Project/OpenROAD-flow-scripts/issues/1767
- unblock wrongway edges covered by block pins that have no right way access
- repair_pdn_vias layer range: This is to consider PDN grid with 2 non-consecutive layers. I now neglect all pdn violations specified in the layer range and remove the violating pdn via stacks at the end.
Secure CI?
I believe we decided against this change - reopen if you disagree.