Bump sniffio from 1.3.0 to 1.3.1

Bumps [sniffio](https://github.com/python-trio/sniffio) from 1.3.0 to 1.3.1.
- [Commits](python-trio/sniffio@v1.3.0...v1.3.1)

---
updated-dependencies:
- dependency-name: sniffio
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements-dev.txt

@@ -122,7 +122,7 @@ python-dateutil==2.8.2 ; python_version >= '2.7' and python_version not in '3.0,
 
 requests==2.31.0 ; python_version >= '3.7'
 
-sniffio==1.3.0 ; python_version >= '3.7'
+sniffio==1.3.1 ; python_version >= '3.7'
 
 uritemplate==4.1.1 ; python_version >= '3.6'