chore(deps): bump nh3 from 0.2.22 to 0.3.0 (#13188)

Bumps [nh3](https://github.com/messense/nh3) from 0.2.22 to 0.3.0.
- [Release notes](https://github.com/messense/nh3/releases)
- [Commits](messense/nh3@v0.2.22...v0.3.0)

---
updated-dependencies:
- dependency-name: nh3
  dependency-version: 0.3.0
  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]

ci-constraints-requirements.txt

@@ -93,7 +93,7 @@ mypy==1.17.0 ; python_full_version >= '3.9'
     # via cryptography (pyproject.toml)
 mypy-extensions==1.1.0
     # via mypy
-nh3==0.2.22
+nh3==0.3.0
     # via readme-renderer
 nox==2025.5.1
     # via cryptography (pyproject.toml)