[ruby-talk:444653] [ANN] wxRuby3 1.5.3 released

This upgrade release updates the targeted wxWidgets release to the new 3.2.8 release and some updates and fixes. ** What's Changed ** * update targeted wxWidgets release to 3.2.8 * fix Wx::Dialog sizer creation methods (thanks to @Randalphwa for reporting this) * update wxWidgets master branch compatibility to at least commit 9495129c5eda0b0a1147cf90f122408787dd4fde For more details see the original release announcement here: https://github.com/mcorino/wxRuby3/discussions/376