Update dependency matplotlib to v3.9.2 (#110)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [matplotlib](https://togithub.com/matplotlib/matplotlib) | `==3.9.0`
-> `==3.9.2` |
[![age](https://developer.mend.io/api/mc/badges/age/pypi/matplotlib/3.9.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/pypi/matplotlib/3.9.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/pypi/matplotlib/3.9.0/3.9.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/pypi/matplotlib/3.9.0/3.9.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>matplotlib/matplotlib (matplotlib)</summary>

###
[`v3.9.2`](https://togithub.com/matplotlib/matplotlib/releases/tag/v3.9.2):
REL: 3.9.2

[Compare
Source](https://togithub.com/matplotlib/matplotlib/compare/v3.9.1.post1...v3.9.2)

This is the second bugfix release of the 3.9.x series.

This release contains several bug-fixes and adjustments:

-   Be more resilient to I/O failures when writing font cache
- Fix nondeterministic behavior with subplot spacing and constrained
layout
-   Fix sticky edge tolerance relative to data range
-   Improve formatting of image values in cases of singular norms

Windows wheels now bundle the MSVC runtime DLL statically to avoid
inconsistencies with other wheels and random crashes depending on import
order.

###
[`v3.9.1.post1`](https://togithub.com/matplotlib/matplotlib/compare/v3.9.1...v3.9.1.post1)

[Compare
Source](https://togithub.com/matplotlib/matplotlib/compare/v3.9.1...v3.9.1.post1)

###
[`v3.9.1`](https://togithub.com/matplotlib/matplotlib/releases/tag/v3.9.1):
REL: 3.9.1

[Compare
Source](https://togithub.com/matplotlib/matplotlib/compare/v3.9.0...v3.9.1)

This is the first bugfix release of the 3.9.x series.

This release contains several bug-fixes and adjustments:

-   Add GitHub artifact attestations for sdist and wheels
- Re-add `matplotlib.cm.get_cmap`; note this function will still be
removed at a later date
-   Allow duplicate backend entry points
-   Fix `Axes` autoscaling of thin bars at large locations
-   Fix `Axes` autoscaling with `axhspan` / `axvspan`
-   Fix `Axes3D` autoscaling of `Line3DCollection` / `Poly3DCollection`
-   Fix `Axes3D` mouse interactivity with non-default roll angle
-   Fix box aspect ratios in `Axes3D` with alternate vertical axis
-   Fix case handling of backends specified as `module://...`
-   Fix crash with TkAgg on Windows with `tk.window_focus: True`
-   Fix interactive update of SubFigures
-   Fix interactivity when using the IPython console
-   Fix pickling of AxesWidgets and SubFigures
-   Fix scaling on GTK3Cairo / GTK4Cairo backends
-   Fix text wrapping within SubFigures
- Promote `mpltype` Sphinx role to a public extension; note this is only
intended for development reasons

</details>

---

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🔕 **Ignore**: Close this PR and you won't be reminded about this update
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---

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---

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2023_PyData_Berlin/requirements.txt

@@ -1,6 +1,6 @@
 numpy==1.26.4
 pandas==2.2.3
-matplotlib==3.9.0
+matplotlib==3.9.2
 pytest==8.3.3
 flake8==7.0.0
 black==24.8.0