Utilities/Release: Add qthelp docs to binary archives

Fixes: #18465

Help/release/3.13.rst

@@ -207,6 +207,9 @@ Deprecated and Removed Features
 Other Changes
 =============
 
+* The precompiled binaries provided on ``cmake.org`` now include
+  qthelp-format documentation.
+
 * The :command:`option` command now honors an existing normal variable
   of the same name and does nothing instead of possibly creating a cache
   entry (or setting its type) and removing the normal variable.

Utilities/Release/create-cmake-release.cmake

@@ -54,7 +54,7 @@ cd \${name}-build &&
   -DCMAKE_INSTALL_PREFIX=\"\$inst/\" \\
   -DCMAKE_DOC_DIR=doc/cmake \\
   -DSPHINX_EXECUTABLE=\"${SPHINX_EXECUTABLE}\" \\
-  -DSPHINX_HTML=ON -DSPHINX_MAN=ON &&
+  -DSPHINX_HTML=ON -DSPHINX_MAN=ON -DSPHINX_QTHELP=ON &&
 make install &&
 cd .. &&
 tar czf \${name}.tar.gz \${name} ||