Build(deps): Bump sniffio from 1.2.0 to 1.3.0 in /dependencies/default (#405)

Bumps [sniffio](https://github.com/python-trio/sniffio) from 1.2.0 to 1.3.0.
- [Release notes](https://github.com/python-trio/sniffio/releases)
- [Commits](python-trio/sniffio@v1.2.0...v1.3.0)

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

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

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

Author: dependabot[bot]

dependencies/default/constraints.txt

@@ -15,7 +15,7 @@ py==1.11.0
 pyparsing==3.0.9
 pytest==7.1.2
 pytest-trio==0.7.0
-sniffio==1.2.0
+sniffio==1.3.0
 sortedcontainers==2.4.0
 tomli==2.0.1
 trio==0.21.0