Bump psutil from 5.9.0 to 5.9.6

Bumps [psutil](https://github.com/giampaolo/psutil) from 5.9.0 to 5.9.6.
- [Changelog](https://github.com/giampaolo/psutil/blob/master/HISTORY.rst)
- [Commits](giampaolo/psutil@release-5.9.0...release-5.9.6)

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

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

requirements-test.txt

@@ -1,3 +1,3 @@
 freezefrog==0.4.1
-psutil==5.9.0
+psutil==5.9.6
 pytest==7.4.3