build(deps): update matplotlib requirement from ~=3.5.2 to ~=3.5.3 (#296

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Updates the requirements on [matplotlib](https://github.com/matplotlib/matplotlib) to permit the latest version.
- [Release notes](https://github.com/matplotlib/matplotlib/releases)
- [Commits](matplotlib/matplotlib@v3.5.2...v3.5.3)

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

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requirements-docs.txt

@@ -7,6 +7,6 @@ nbsphinx~=0.8
 jinja2<4.0
 geopandas~=0.11.1
 hvplot~=0.8.0
-matplotlib~=3.5.2
+matplotlib~=3.5.3
 geojson~=2.5.0
 pygeoif~=0.7