Bump psutil from 5.9.8 to 6.0.0

Bumps [psutil](https://github.com/giampaolo/psutil) from 5.9.8 to 6.0.0.
- [Changelog](https://github.com/giampaolo/psutil/blob/master/HISTORY.rst)
- [Commits](https://github.com/giampaolo/psutil/compare/release-5.9.8...release-6.0.0)

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

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

requirements.txt

@@ -1,7 +1,7 @@
 cement==2.10.14
 pynginxconfig==0.3.4
 PyMySQL==1.1.1
-psutil==5.9.8
+psutil==6.0.0
 sh==2.0.7
 SQLAlchemy==1.4.52
 requests>=2.20.0