build: update matplotlib requirement from <3.9,>=3.8.0 to >=3.8.0,<3.…

…10 (#731)

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@v3.8.0...v3.9.0)

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

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pyproject.toml

@@ -32,7 +32,7 @@ classifiers = [
   "Typing :: Typed"
 ]
 dependencies = [
-  "matplotlib>=3.8.0,<3.9",
+  "matplotlib>=3.8.0,<3.10",
   "numpy>=1.22.4,<2",
   "pandas>=2.1.4,<3",
   "polars>=0.20.1,<0.20.3",