Bump dash-leaflet from 1.0.8 to 1.0.11

Bumps [dash-leaflet](https://github.com/thedirtyfew/dash-leaflet) from 1.0.8 to 1.0.11.
- [Release notes](https://github.com/thedirtyfew/dash-leaflet/releases)
- [Changelog](https://github.com/emilhe/dash-leaflet/blob/master/CHANGELOG.md)
- [Commits](emilhe/dash-leaflet@1.0.8...1.0.11)

---
updated-dependencies:
- dependency-name: dash-leaflet
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

requirements.txt

@@ -3,7 +3,7 @@ dash_bootstrap_components==1.5.0
 dash_core_components==2.0.0
 dash_extensions==1.0.4
 dash_html_components==2.0.0
-dash-leaflet==1.0.8
+dash-leaflet==1.0.11
 dash==2.13.0
 geopy==2.4.0
 gunicorn==21.2.0