build(deps): update hvplot requirement from ~=0.11.0 to ~=0.12.0 (#817)

Updates the requirements on [hvplot](https://github.com/holoviz/hvplot) to permit the latest version.
- [Release notes](https://github.com/holoviz/hvplot/releases)
- [Changelog](https://github.com/holoviz/hvplot/blob/main/doc/releases.md)
- [Commits](holoviz/hvplot@v0.11.0...v0.12.0)

---
updated-dependencies:
- dependency-name: hvplot
  dependency-version: 0.12.0
  dependency-type: direct:production
...

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Author: dependabot[bot]

pyproject.toml

@@ -65,7 +65,7 @@ docs = [
     "geojson~=3.2.0",
     "geopandas~=1.1.1",
     "geoviews~=1.9",
-    "hvplot~=0.11.0",
+    "hvplot~=0.12.0",
     "ipykernel~=6.22",
     "ipython~=8.12",
     "jinja2>=3.0,<4.0",