Bump flask-monitoringdashboard from 3.1.0 to 3.1.1

Bumps [flask-monitoringdashboard](https://github.com/flask-dashboard/Flask-MonitoringDashboard) from 3.1.0 to 3.1.1.
- [Release notes](https://github.com/flask-dashboard/Flask-MonitoringDashboard/releases)
- [Changelog](https://github.com/flask-dashboard/Flask-MonitoringDashboard/blob/master/docs/changelog.rst)
- [Commits](https://github.com/flask-dashboard/Flask-MonitoringDashboard/commits)

---
updated-dependencies:
- dependency-name: flask-monitoringdashboard
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements.txt

@@ -4,7 +4,7 @@ requests
 flask-login==0.5.0
 face_recognition==1.3.0
 redis==4.1.2
-Flask_MonitoringDashboard==3.1.0
+Flask_MonitoringDashboard==3.1.1
 Flask==1.1.2
 Werkzeug==2.0.3
 tqdm==4.54.1