⬆️ Bump matplotlib from 3.3.3 to 3.4.2 (#292)

Bumps [matplotlib](https://github.com/matplotlib/matplotlib) from 3.3.3 to 3.4.2.
- [Release notes](https://github.com/matplotlib/matplotlib/releases)
- [Commits](matplotlib/matplotlib@v3.3.3...v3.4.2)

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Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

pyproject.toml

@@ -26,7 +26,7 @@ intake-geopandas = "^0.2.4"
 intake-parquet = "^0.2.3"
 intake-xarray = "^0.4.1"
 jupyterlab = "^3.0.11"
-matplotlib = "^3.3.3"
+matplotlib = "^3.4.2"
 numcodecs = "^0.7.3"
 Pint = "^0.17"
 Pint-Pandas = {git = "https://github.com/hgrecco/pint-pandas.git", rev = "4d6b9cfc82abe8a932615119da71406a025f2487"}