Bump large-image from 1.20.3 to 1.29.2

Bumps [large-image](https://github.com/girder/large_image) from 1.20.3 to 1.29.2.
- [Release notes](https://github.com/girder/large_image/releases)
- [Changelog](https://github.com/girder/large_image/blob/master/CHANGELOG.md)
- [Commits](girder/large_image@v1.20.3...v1.29.2)

---
updated-dependencies:
- dependency-name: large-image
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -220,7 +220,7 @@ kombu==5.3.7
     # via celery
 landez==2.5.0
     # via geotrek (setup.py)
-large-image==1.20.3
+large-image==1.29.2
     # via
     #   django-large-image
     #   large-image-source-vips