Bump rasterio from 1.4.3 to 1.4.4 in /index

Bumps [rasterio](https://github.com/rasterio/rasterio) from 1.4.3 to 1.4.4.
- [Release notes](https://github.com/rasterio/rasterio/releases)
- [Changelog](https://github.com/rasterio/rasterio/blob/main/CHANGES.txt)
- [Commits](rasterio/rasterio@1.4.3...1.4.4)

---
updated-dependencies:
- dependency-name: rasterio
  dependency-version: 1.4.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]