Bump pyperf from 2.6.0 to 2.6.1 in /pyperformance/requirements (#304)

Bumps [pyperf](https://github.com/psf/pyperf) from 2.6.0 to 2.6.1.
- [Release notes](https://github.com/psf/pyperf/releases)
- [Changelog](https://github.com/psf/pyperf/blob/main/doc/changelog.rst)
- [Commits](psf/pyperf@2.6.0...2.6.1)

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

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

Author: dependabot[bot]

pyperformance/requirements/requirements.txt

@@ -10,5 +10,5 @@ psutil==5.9.5
     # via
     #   -r requirements.in
     #   pyperf
-pyperf==2.6.0
+pyperf==2.6.1
     # via -r requirements.in