Update wxpython requirement from >=4.2.5 to >=4.3.0 in /windows

[dependabot]

Updates the requirements on wxpython to permit the latest version.

Changelog

Sourced from wxpython's changelog.

4.3.0

• 27-Jul-2026

PyPI: https://pypi.python.org/pypi/wxPython/4.3.0 Extras: https://extras.wxPython.org/wxPython4/extras/ Pip: pip install wxPython==4.3.0

Starting with this release wxPython has switched to tracking the wxWidgets master branch (version 3.3.x) for the wxWidgets source code, which wxPython is built upon, and which is included in the wxPython source archives.

Do note that the wxWidgets 3.3.x releases are API/ABI unstable, so there may be API changes/instability between wxPython 4.3.x releases.

New and improved in this release:

• Fix wx.svg to work with cython 3.1 generated code.

• Populate wx.svg with _nanosvg enum values

• Bugfix in hypertreelist. Add missing attribute _x_maincol to constructor of TreeListMainWindow.

• Replace md5 with sha256 when validating downloaded waf and doxygen build tools

• Migrate to build with wxWidgets 3.3 branch

• Fix compile warning in ListClass contains methods

• Fix build with setuptools 81+

• Modernize/update documentation theme

• Flatmenu: remove the unnecessary "mcPopupWindow" class used only for MacOS

• Add several methods to FlatMenu and FlatMenuItem to mimic wx better

• Make flatmenu's repositioning logic multi-monitor aware

• Remove no-op code from aui for deleting panes created referring to inexistent windows that were created in the process of loading a perspective. Rationale: All panes that refer to inexistent windows created when loading a perspective that is otherwise valid are already removed during update.

• Fix SuperToolTip window too small when footerBmp is used

• Fix incorrect module paths in TipProvider documentation

• Expose MSWEnableDarkMode/wxDarkModeSettings on all platforms at compile time

• show CB_READONLY in BitmapComboBox demo

• Set rpath in link arguments rather than LD_RUN_PATH

... (truncated)

Commits

• 41c9dc7 Release 4.3.0
• 3b3ff01 Merge pull request #2922 from itmo153277/add_art_transfer
• d4b43cf Add missing transfer attributes for SetArtProvider
• 6c7391d Merge pull request #2920 from jmoraleda/fix/buttonpanel-freeze-thaw-imbalance
• efa1c98 Remove support for outdated wxPython version in ButtonPanel
• a68c619 Fix unbalanced Freeze/Thaw in ButtonPanel
• 2cddce0 Update wxWidgets to v3.3.3
• 6d57163 Avoid fetching all git history when checking out source
• c19ff0a CI: Switch to step-security's maintained fork of msvc-dev-cmd
• f943ec9 Rename Linux wheels with a per-platform tag
• Additional commits viewable in compare view

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[dependabot]

Superseded by #121.