Bump pytest-regressions from 2.8.3 to 2.9.0

Bumps [pytest-regressions](https://github.com/ESSS/pytest-regressions) from 2.8.3 to 2.9.0.
- [Release notes](https://github.com/ESSS/pytest-regressions/releases)
- [Changelog](https://github.com/ESSS/pytest-regressions/blob/master/CHANGELOG.rst)
- [Commits](ESSS/pytest-regressions@v2.8.3...v2.9.0)

---
updated-dependencies:
- dependency-name: pytest-regressions
  dependency-version: 2.9.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pyproject.toml

@@ -56,7 +56,7 @@ optional-dependencies.dev = [
     "pyroma==5.0.1",
     "pytest==9.0.2",
     "pytest-cov==7.0.0",
-    "pytest-regressions==2.8.3",
+    "pytest-regressions==2.9.0",
     "ruff==0.14.10",
     "setuptools-scm==9.2.2",
     # We add shellcheck-py not only for shell scripts and shell code blocks,