Bump etc/coq-scripts from 8ce1d5d to 8b66ebe (#1661)

Bumps [etc/coq-scripts](https://github.com/JasonGross/coq-scripts) from `8ce1d5d` to `8b66ebe`.
- [Commits](JasonGross/coq-scripts@8ce1d5d...8b66ebe)

---
updated-dependencies:
- dependency-name: etc/coq-scripts
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>