see https://www.appveyor.com/docs/windows-images-software/ WiX Toolset 3.11.0.1701 updated to WiX Toolset 3.14.1

Author: chcg

appveyor.yml

@@ -42,7 +42,7 @@ after_build:
     - if "%configuration%"=="Release" make.bat html
 
     - cd "%APPVEYOR_BUILD_FOLDER%"\installer
-    - set WIX_PATH="C:\Program Files (x86)\WiX Toolset v3.11\bin"
+    - set WIX_PATH="C:\Program Files (x86)\WiX Toolset v3.14\bin"
     - set PATH=%WIX_PATH%;%PATH%
     - if "%platform_input%"=="x64" SET PYTHONBUILDDIR_X64="%APPVEYOR_BUILD_FOLDER%"\packages\python.3.12.8\tools
     - if "%platform_input%"=="Win32" SET PYTHONBUILDDIR="%APPVEYOR_BUILD_FOLDER%"\packages\pythonx86.3.12.8\tools