chore(deps): update dependency matplotlib to v3.4.1

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
matplotlib (source)	==3.3.4 -> ==3.4.1

---

Release Notes

matplotlib/matplotlib

v3.4.1

Compare Source

This is the first bugfix release of the 3.4.x series.

This release contains several critical bug-fixes:

• fix errorbar when specifying fillstyle
• fix Inkscape cleanup at exit on Windows for tests
• fix legends of colour-mapped scatter plots
• fix positioning of annotation fancy arrows
• fix size and color rendering for 3D scatter plots
• fix suptitle manual positioning when using constrained layout
• respect antialiasing settings in cairo backends as well

v3.4.0

Compare Source

Highlights of this release include:

• Figure and Axes creation / management
  • New subfigure functionality
  • Single-line string notation for subplot_mosaic
  • Changes to behavior of Axes creation methods (gca, add_axes, add_subplot)
  • add_subplot/add_axes gained an axes_class parameter
  • Subplot and subplot2grid can now work with constrained layout
• Plotting methods
  • axline supports transform parameter
  • New automatic labeling for bar charts
  • A list of hatches can be specified to bar and barh
  • Setting BarContainer orientation
  • Contour plots now default to using ScalarFormatter
  • Axes.errorbar cycles non-color properties correctly
  • errorbar errorevery parameter matches markevery
  • hexbin supports data reference for C parameter
  • Support callable for formatting of Sankey labels
  • Axes.spines access shortcuts
  • New stairs method and StepPatch artist
  • Added orientation parameter for stem plots
  • Angles on Bracket arrow styles
  • TickedStroke patheffect
• Colors and colormaps
  • Collection color specification and mapping
  • Transparency (alpha) can be set as an array in collections
  • pcolormesh has improved transparency handling by enabling snapping
  • IPython representations for Colormap objects
  • Colormap.set_extremes and Colormap.with_extremes
  • Get under/over/bad colors of Colormap objects
  • New cm.unregister_cmap function
  • New CenteredNorm for symmetrical data around a center
  • New FuncNorm for arbitrary normalizations
  • GridSpec-based colorbars can now be positioned above or to the left of the main axes
• Titles, ticks, and labels
  • supxlabel and supylabel
  • Shared-axes subplots tick label visibility is now correct for top or left labels
  • An iterable object with labels can be passed to Axes.plot
• Fonts and Text
  • Text transform can rotate text direction
  • matplotlib.mathtext now supports overset and underset LaTeX symbols
  • math_fontfamily parameter to change Text font family
  • TextArea/AnchoredText support horizontalalignment
  • PDF supports URLs on Text artists
• rcParams improvements
  • New rcParams for dates: set converter and whether to use interval_multiples
  • Date formatters now respect usetex rcParam
  • Setting image.cmap to a Colormap
  • Tick and tick label colors can be set independently using rcParams
• 3D Axes improvements
  • Errorbar method in 3D Axes
  • Stem plots in 3D Axes
  • 3D Collection properties are now modifiable
  • Panning in 3D Axes
• Interactive tool improvements
  • New RangeSlider widget
  • Sliders can now snap to arbitrary values
  • Pausing and Resuming Animations
• Sphinx extensions
  • plot_directive caption option
• Backend-specific improvements
  • Consecutive rasterized draws now merged
  • Support raw/rgba frame format in FFMpegFileWriter
  • nbAgg/WebAgg support middle-click and double-click
  • nbAgg support binary communication
  • Indexed color for PNG images in PDF files when possible
  • Improved font subsettings in PDF/PS
  • Kerning added to strings in PDFs
  • Fully-fractional HiDPI in QtAgg
  • wxAgg supports fullscreen toggle

---

Renovate configuration

📅 Schedule: At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻️ Rebasing: Renovate will not automatically rebase this PR, because other commits have been found.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by WhiteSource Renovate. View repository job log here.

[tswast]

Looks like matplotlib dropped Python 3.6

ERROR: Could not find a version that satisfies the requirement matplotlib==3.4.1
ERROR: No matching distribution found for matplotlib==3.4.1