Update psutil requirement from ~=5.7.2 to ~=5.8.0 (#70)

Updates the requirements on [psutil](https://github.com/giampaolo/psutil) to permit the latest version.
- [Release notes](https://github.com/giampaolo/psutil/releases)
- [Changelog](https://github.com/giampaolo/psutil/blob/master/HISTORY.rst)
- [Commits](giampaolo/psutil@release-5.7.2...release-5.8.0)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -6,5 +6,5 @@ python-pppd==1.0.3
 python-sdk-auth~=0.3.0
 pyudev~=0.22.0
 pyusb~=1.0.2
-psutil~=5.7.2
+psutil~=5.8.0
 requests~=2.24.0