Bump pyperf from 2.8.0 to 2.8.1 (#189)

Bumps [pyperf](https://github.com/psf/pyperf) from 2.8.0 to 2.8.1.
- [Release notes](https://github.com/psf/pyperf/releases)
- [Changelog](https://github.com/psf/pyperf/blob/main/doc/changelog.rst)
- [Commits](psf/pyperf@2.8.0...2.8.1)

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

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

requirements-dev.txt

@@ -1,4 +1,4 @@
 coverage[toml]==7.6.1
 flake8==7.1.1
 mypy==1.13.0
-pyperf==2.8.0
+pyperf==2.8.1