Bumps [psutil](https://github.com/giampaolo/psutil) from 5.2.2 to 5.6.6.
- [Release notes](https://github.com/giampaolo/psutil/releases)
- [Changelog](https://github.com/giampaolo/psutil/blob/master/HISTORY.rst)
- [Commits](https://github.com/giampaolo/psutil/compare/release-5.2.2...release-5.6.6)
Signed-off-by: dependabot[bot] <support@github.com>
pluggy==0.7.1 # via pytest, tox
positional==1.1.1 # via keystoneauth1, python-keystoneclient
prettytable==0.7.2 # via cliff, python-cinderclient, python-glanceclient, python-novaclient, teuthology
-psutil==5.2.2 # via teuthology
+psutil==5.6.6 # via teuthology
ptyprocess==0.5.1 # via pexpect
py==1.5.3 # via pytest, tox
pyasn1==0.2.3 # via teuthology