Bump execa from 7.2.0 to 9.1.0

Bumps [execa](https://github.com/sindresorhus/execa) from 7.2.0 to 9.1.0.
- [Release notes](https://github.com/sindresorhus/execa/releases)
- [Commits](sindresorhus/execa@v7.2.0...v9.1.0)

---
updated-dependencies:
- dependency-name: execa
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>