build(deps): bump ol-ext from 4.0.4 to 4.0.11 (#361)

Bumps [ol-ext](https://github.com/Viglino/ol-ext) from 4.0.4 to 4.0.11.
- [Release notes](https://github.com/Viglino/ol-ext/releases)
- [Changelog](https://github.com/Viglino/ol-ext/blob/master/CHANGELOG.md)
- [Commits](https://github.com/Viglino/ol-ext/commits)

---
updated-dependencies:
- dependency-name: ol-ext
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -33,7 +33,7 @@
     "jspdf": "^2.5.1",
     "lit": "^2.7.6",
     "ol": "^7.4.0",
-    "ol-ext": "^4.0.4",
+    "ol-ext": "^4.0.11",
     "ol-mapbox-style": "^10.0.0",
     "postcode": "^5.1.0",
     "proj4": "^2.9.0",