Bump rasterio from 1.2.1 to 1.2.6 (#104)

Bumps [rasterio](https://github.com/mapbox/rasterio) from 1.2.1 to 1.2.6.
- [Release notes](https://github.com/mapbox/rasterio/releases)
- [Changelog](https://github.com/mapbox/rasterio/blob/master/CHANGES.txt)
- [Commits](rasterio/rasterio@1.2.1...1.2.6)

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

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

Author: dependabot[bot]

requirements.txt

@@ -126,7 +126,7 @@ pyvis==0.1.9
 Pygments>=2.7.4
 pyyaml==5.4.1
 randomgen==1.19.3
-rasterio==1.2.1
+rasterio==1.2.6
 ray==1.1.0
 ray[rllib]==1.1.0
 recommenders==0.6.0