Bump psutil from 5.4.7 to 5.6.6

Bumps [psutil](https://github.com/giampaolo/psutil) from 5.4.7 to 5.6.6.
- [Release notes](https://github.com/giampaolo/psutil/releases)
- [Changelog](https://github.com/giampaolo/psutil/blob/master/HISTORY.rst)
- [Commits](giampaolo/psutil@release-5.4.7...release-5.6.6)

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

Author: dependabot[bot]

requirements.txt

@@ -107,7 +107,7 @@ preshed==2.0.1
 prometheus-client==0.5.0
 prompt-toolkit==2.0.7
 protobuf==3.18.3
-psutil==5.4.7
+psutil==5.6.6
 psycopg2==2.7.4
 ptyprocess==0.6.0
 py==1.11.0