Bump pytest from 8.2.0 to 8.2.1 in /blog

Bump pytest from 8.2.0 to 8.2.1 in /blog

Bumps [pytest](https://github.com/pytest-dev/pytest) from 8.2.0 to 8.2.1.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](https://github.com/pytest-dev/pytest/compare/8.2.0...8.2.1)

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

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