Release v6.71.0

What's Changed

• config: make cfg-verible extra_args optional by @hernloh in #725
• power: give primary inputs the synthetic activity too by @hernloh in #726
• pnr: warn when pre-route steps have no wire RC; opt-in post-global-route hold repair by @hernloh in #727
• pnr blocks: compare recorded real parameters and quoted numbers by value by @hernloh in #728
• synth: read the documented yosys keys in the openroad flow by @hernloh in #729
• synth: keep synth_stat.json valid JSON with a gzipped Liberty by @hernloh in #730
• synth: opt-in timing repair before the openroad STA, and label pre-repair WNS by @hernloh in #731
• synth: drop &fraig -x from the default mapped-run ABC script by @hernloh in #732
• synth: add a delay ABC preset and use it for prefix-adder efforts by @hernloh in #733
• test: remove the previous run's outputs before PRE (#664) by @hernloh in #734
• build job: adopt a same-key leader's failed compile (#665) by @hernloh in #735
• dispatch: let a preproc hook declare it keeps the compile key (#655) by @hernloh in #736
• config: warn about unknown keys in reservation blocks (#652) by @hernloh in #737
• coverage: count line points per elaboration at every scope (#678) by @hernloh in #738
• hub: /cov figures picker between per-elaboration and source-point figures (#651) by @hernloh in #739
• dispatch: run the coverage tail as one dispatched job under Slurm (#650) by @hernloh in #740

Full Changelog: v6.70.0...v6.71.0