Do it for consistency with the 32-bit package and to ensure that the
provided wxrc.exe binary can be run without downloading any extra files.
Closes https://github.com/wxWidgets/wxWidgets/pull/1991
Add wxMSVC_VERSION_ABI_COMPAT definition to the version of the file
included in the binary distribution to make it compatible with the
actual DLL names.
Closes#18510.
Use a single script for all compiler versions, another simple script just
defining wxWidgets version and, finally, a script building all the binaries
for all the compilers.
Closes#17510.
