deps: Update to wxWidgets 3.2.4

This update fixes a large number of bugs, including cutting down on the
number of run-time critical messages on startup.

This update also contains the NanoSVG build control options added in
version 3.1.7.

deps/wxWidgets/wxWidgets.cmake

@@ -1,4 +1,4 @@
-set(_wx_git_tag v3.1.5)
+set(_wx_git_tag v3.2.4)
 
 set(_wx_toolkit "")
 if(CMAKE_SYSTEM_NAME STREQUAL "Linux")