Bump libdouble-conversion to 3.3.1 and backport upstream patch for CMake
>= 4.0 version support.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
See commit da370098 "treewide: add support for "gc-sections" in
PKG_BUILD_FLAGS" on the main repository.
Signed-off-by: Andre Heider <a.heider@gmail.com>