chore(deps): update psutil requirement from ==5.9.* to ==6.1.*

Updates the requirements on [psutil](https://github.com/giampaolo/psutil) to permit the latest version.
- [Changelog](https://github.com/giampaolo/psutil/blob/master/HISTORY.rst)
- [Commits](giampaolo/psutil@release-5.9.0...release-6.1.0)

---
updated-dependencies:
- dependency-name: psutil
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements-testing.txt

@@ -7,5 +7,5 @@ pytest-xdist == 3.6.*
 black == 24.*
 ruff == 0.6.*
 mypy == 1.11.*
-psutil == 5.9.*
+psutil == 6.1.*
 types-PyYAML ~= 6.0