Updated: mingw64-{i686,x86_64}-gcc-12.5.0-1

[ASSI]

The mingw64 cross compilers have been updated for both architectures to
the final upstream release version of the gcc-12 branch:

 mingw64-i686-gcc-12.5.0-1-src
 mingw64-i686-gcc-core-12.5.0-1
 mingw64-i686-gcc-debuginfo-12.5.0-1
 mingw64-i686-gcc-fortran-12.5.0-1
 mingw64-i686-gcc-g++-12.5.0-1
 mingw64-i686-gcc-objc-12.5.0-1

 mingw64-x86_64-gcc-12.5.0-1-src
 mingw64-x86_64-gcc-core-12.5.0-1
 mingw64-x86_64-gcc-debuginfo-12.5.0-1
 mingw64-x86_64-gcc-fortran-12.5.0-1
 mingw64-x86_64-gcc-g++-12.5.0-1
 mingw64-x86_64-gcc-objc-12.5.0-1