Tighten clock period and utilization

[jeffng-or]

Tightened up sky130hs gcd & nangate45 jpeg after review. Reduced clock period and increased utilization, so rules need to be updated.

designs/sky130hs/gcd/rules-base.json updates:

Metric	Old	New	Type
placeopt__design__instance__area	5134	6621	Failing
placeopt__design__instance__count__stdcell	622	737	Failing
cts__timing__setup__ws	-0.095	-0.424	Failing
cts__timing__setup__tns	-0.38	-12.1	Failing
cts__timing__hold__ws	-0.095	-0.07	Tighten
cts__timing__hold__tns	-0.38	-0.28	Tighten
globalroute__timing__setup__ws	-0.095	-0.619	Failing
globalroute__timing__setup__tns	-0.38	-20.6	Failing
globalroute__timing__hold__ws	-0.095	-0.07	Tighten
globalroute__timing__hold__tns	-0.38	-0.28	Tighten
detailedroute__route__wirelength	10120	15723	Failing
detailedroute__timing__setup__ws	-0.095	-0.356	Failing
detailedroute__timing__setup__tns	-0.38	-8.81	Failing
detailedroute__timing__hold__ws	-0.095	-0.07	Tighten
detailedroute__timing__hold__tns	-0.38	-0.28	Tighten
finish__timing__setup__ws	-0.095	-0.535	Failing
finish__timing__setup__tns	-0.38	-16.9	Failing
finish__timing__hold__ws	-0.095	-0.07	Tighten
finish__timing__hold__tns	-0.38	-0.28	Tighten
finish__design__instance__area	5389	7943	Failing

designs/nangate45/jpeg/rules-base.json updates:

Metric	Old	New	Type
cts__timing__setup__ws	-0.06	-0.155	Failing
cts__timing__setup__tns	-0.24	-44.0	Failing
cts__timing__hold__ws	-0.06	-0.05	Tighten
cts__timing__hold__tns	-0.24	-0.2	Tighten
globalroute__timing__setup__ws	-0.06	-0.164	Failing
globalroute__timing__setup__tns	-0.24	-48.9	Failing
globalroute__timing__hold__ws	-0.06	-0.05	Tighten
globalroute__timing__hold__tns	-0.24	-0.2	Tighten
detailedroute__route__wirelength	671143	631629	Tighten
detailedroute__timing__setup__tns	-0.24	-9.33	Failing
detailedroute__timing__hold__ws	-0.06	-0.05	Tighten
detailedroute__timing__hold__tns	-0.24	-0.2	Tighten
finish__timing__setup__ws	-0.06	-0.159	Failing
finish__timing__setup__tns	-0.24	-43.5	Failing
finish__timing__hold__ws	-0.06	-0.05	Tighten
finish__timing__hold__tns	-0.24	-0.2	Tighten

[maliberty]

pr-merge is failing so you'll need to merge master and update

[jeffng-or]

superceded by the other two PRs