Bump pyvips from 3.0.0 to 3.1.1 (#5156)

Bumps [pyvips](https://github.com/libvips/pyvips) from 3.0.0 to 3.1.1.
- [Changelog](https://github.com/libvips/pyvips/blob/master/CHANGELOG.rst)
- [Commits](libvips/pyvips@v3.0.0...v3.1.1)

---
updated-dependencies:
- dependency-name: pyvips
  dependency-version: 3.1.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -317,7 +317,7 @@ pytz==2025.2
     # via
     #   datetime
     #   drf-yasg
-pyvips==3.0.0
+pyvips==3.1.1
     # via large-image-source-vips
 pyxdg==0.28
     # via pdfimpose