Bump fastexcel from 0.16.0 to 0.18.0

Bumps [fastexcel](https://github.com/ToucanToco/fastexcel) from 0.16.0 to 0.18.0.
- [Release notes](https://github.com/ToucanToco/fastexcel/releases)
- [Commits](ToucanToco/fastexcel@v0.16.0...v0.18.0)

---
updated-dependencies:
- dependency-name: fastexcel
  dependency-version: 0.18.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]