Skip lxml if using py 3.11+ and you're on windows as there's currentl…

…y not a lxml binary wheel for such. Remove when this changes

.appveyor/install.bat

@@ -4,11 +4,10 @@ REM use mingw 32 bit until #3291 is resolved
 REM add python and python user-base to path for pip installs
 set PATH=C:\\%WINPYTHON%;C:\\%WINPYTHON%\\Scripts;C:\\ProgramData\\chocolatey\\bin;C:\\MinGW\\bin;C:\\MinGW\\msys\\1.0\\bin;C:\\cygwin\\bin;C:\\msys64\\usr\\bin;C:\\msys64\\mingw64\\bin;%PATH%
 C:\\%WINPYTHON%\\python.exe -m pip install -U --progress-bar off pip setuptools wheel
-REM No real use for lxml on Windows (and some versions don't have it):
-REM We don't install the docbook bits so those tests won't run anyway
-REM The Windows builds don't attempt to make the docs
-REM Adjust this as requirements-dev.txt changes.
-REM C:\\%WINPYTHON%\\python.exe -m pip install -U --progress-bar off -r requirements-dev.txt
-C:\\%WINPYTHON%\\python.exe -m pip install -U --progress-bar off ninja psutil
+
+REM requirements-dev.txt will skip installing lxml for windows and py 3.11+, where there's
+REM no current binary wheel
+C:\\%WINPYTHON%\\python.exe -m pip install -U --progress-bar off -r requirements-dev.txt
+
 choco install --allow-empty-checksums dmd ldc swig vswhere xsltproc winflexbison3
 set