Bump matplotlib from 3.6.2 to 3.6.3

Bumps matplotlib from 3.6.2 to 3.6.3.

Release notes

Sourced from matplotlib's releases.

REL: v3.6.3

This is the third bugfix release of the 3.6.x series.

This release contains several bug-fixes and adjustments:

• Fix Artist removal from axes_grid1 Axes classes
• Fix inset_locator in subfigures
• Fix scatter on masked arrays with units
• Fix colorbar ticks with log norm contours
• Fix deprecation warnings in GTK4 backend
• Fix using relative paths in HTMLWriter
• Improve failure message from rcParams string validation for tuple inputs
• Improve performance of QtAgg backends
• No longer modify pil_kwargs argument to imsave and savefig

Commits

• c23ccdd REL: v3.6.3
• abcbf3d DOC: Update switcher versions
• e450128 DOC: Update GitHub stats for 3.6.3
• 86abc59 Merge branch 'v3.6.2-doc' into v3.6.x
• 4f30cf4 Merge pull request #24939 from meeseeksmachine/auto-backport-of-pr-23390-on-v...
• c8e25ef Merge pull request #24936 from meeseeksmachine/auto-backport-of-pr-24927-on-v...
• 88a1537 Backport PR #23390: FIX: colorbar contour with log norm should default to log...
• 5348ee2 Backport PR #24927: DOC: Remove space after directive name, before double-colon
• 65044a2 Merge pull request #24932 from dstansby/auto-backport-of-pr-24783-on-v3.6.x
• 5e2bf2c Backport PR #24783: inset locator fix with tests added
• Additional commits viewable in compare view