ci: bump imagemin-jpegtran from 7.0.0 to 8.0.0

Bumps [imagemin-jpegtran](https://github.com/imagemin/imagemin-jpegtran) from 7.0.0 to 8.0.0.
- [Release notes](https://github.com/imagemin/imagemin-jpegtran/releases)
- [Commits](imagemin/imagemin-jpegtran@v7.0.0...v8.0.0)

---
updated-dependencies:
- dependency-name: imagemin-jpegtran
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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