[deps] Update openwisp-monitoring requirement from ~=1.1.0 to ~=1.1.1

Updates the requirements on [openwisp-monitoring](https://github.com/openwisp/openwisp-monitoring) to permit the latest version.
- [Release notes](https://github.com/openwisp/openwisp-monitoring/releases)
- [Changelog](https://github.com/openwisp/openwisp-monitoring/blob/master/CHANGES.rst)
- [Commits](openwisp/openwisp-monitoring@1.1.0...1.1.1)

---
updated-dependencies:
- dependency-name: openwisp-monitoring
  dependency-type: direct:production
...

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

requirements-test.txt

@@ -3,7 +3,7 @@ pytest-asyncio~=0.24.0
 pytest-django~=4.9.0
 freezegun~=1.5.1
 # Needed to test integrations
-openwisp-monitoring~=1.1.0
+openwisp-monitoring~=1.1.1
 openwisp-controller~=1.1.0
 openwisp-utils[qa,selenium]~=1.1.1
 redis~=5.2.0