build(deps): bump pest from 2.7.15 to 2.8.0

Bumps [pest](https://github.com/pest-parser/pest) from 2.7.15 to 2.8.0.
- [Release notes](https://github.com/pest-parser/pest/releases)
- [Commits](pest-parser/pest@v2.7.15...v2.8.0)

---
updated-dependencies:
- dependency-name: pest
  dependency-version: 2.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]