Bump asv from 0.6.5 to 0.6.6 (#1660)

Bumps [asv](https://github.com/airspeed-velocity/asv) from 0.6.5 to 0.6.6.
- [Release notes](https://github.com/airspeed-velocity/asv/releases)
- [Changelog](https://github.com/airspeed-velocity/asv/blob/main/CHANGES.rst)
- [Commits](airspeed-velocity/asv@v0.6.5...v0.6.6)

---
updated-dependencies:
- dependency-name: asv
  dependency-version: 0.6.6
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]