Rewriter v0.0.9

Compatibility with Coq 8.18

What's Changed

• Factor rewriter reification through Ltac2 Constr.Usafe.iter by @JasonGross in #111
• Adapt to coq/coq#17533 (use correct plugin name in ltac2_extra external) by @SkySkimmer in #101
• Adapt to coq/coq#17475 (Ltac2 externals can have arity 0) by @SkySkimmer in #102
• Use Constr.is_proj for checking projections by @JasonGross in #110
• Version Util.Tactics2.{Constr,Proj,DestProj} by @JasonGross in #113
• Proj.equal has been upstreamed, so use it directly by @JasonGross in #114
• Bump etc/coq-scripts from efae533 to 8ce1d5d by @dependabot in #103
• Bump etc/coq-scripts from 8ce1d5d to 8b66ebe by @dependabot in #108
• ProofsCommonTactics: log failing inital goals by @andres-erbsen in #104
• Bump actions/checkout from 3 to 4 by @dependabot in #105
• Add publication by @JasonGross in #106
• Move CI up by @JasonGross in #107
• Add separate files for v8.19 by @JasonGross in #112
• [CI] Add newer Coq by @JasonGross in #100

Full Changelog: v0.0.8...v0.0.9