[Security] Bump psutil from 5.6.3 to 5.6.6

Bumps [psutil](https://github.com/giampaolo/psutil) from 5.6.3 to 5.6.6. **This update includes a security fix.**
- [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-5.6.3...release-5.6.6)

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

Pipfile

@@ -21,7 +21,7 @@ mss = "==4.0.3"
 numpy = "==1.17.2"
 opencv-python = "==4.1.1.26"
 packaging = "==20.0"
-psutil = "==5.6.3"
+psutil = "==5.6.6"
 pyautogui = "==0.9.48"
 pygithub = "==1.43.8"
 pynput = "==1.6.5"