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

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

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

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

Author: dependabot[bot]

requirements.txt

@@ -1,6 +1,6 @@
 # Does not supports Django 4.0.0
 django>=3.2.18,!=4.0.*,<5.2
-openwisp-utils~=1.1.0
+openwisp-utils~=1.1.1
 jsonfield>=3.1.0,<4.0.0
 cryptography~=43.0.3
 pyOpenSSL~=24.2.1