[deps] Update geopy requirement from ~=2.3.0 to ~=2.4.1

Updates the requirements on [geopy](https://github.com/geopy/geopy) to permit the latest version.
- [Release notes](https://github.com/geopy/geopy/releases)
- [Changelog](https://github.com/geopy/geopy/blob/master/docs/changelog_2xx.rst)
- [Commits](geopy/geopy@2.3.0...2.4.1)

---
updated-dependencies:
- dependency-name: geopy
  dependency-type: direct:production
...

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

requirements.txt

@@ -3,5 +3,5 @@ django>=3.2.18,!=4.0.*,<4.3
 channels~=3.0.4
 django-leaflet~=0.30.1
 Pillow~=10.4.0
-geopy~=2.3.0
+geopy~=2.4.1
 openwisp-utils @ https://github.com/openwisp/openwisp-utils/tarball/master