build(deps): bump github.com/kovidgoyal/imaging from 1.8.21 to 1.8.22

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Bumps [github.com/kovidgoyal/imaging](https://github.com/kovidgoyal/imaging) from 1.8.21 to 1.8.22.
- [Release notes](https://github.com/kovidgoyal/imaging/releases)
- [Commits](https://github.com/kovidgoyal/imaging/compare/v1.8.21...v1.8.22)

---
updated-dependencies:
- dependency-name: github.com/kovidgoyal/imaging
  dependency-version: 1.8.22
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

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