Disable build of the apps, as we don't seem to package them (upstream says they
aren't ready, see [0]). They are the only part of the code that doesn't build
yet with CMake 4+. One alternative would be to apply [1], but the PR hasn't been
merged yet by upstream, so we keep it simple.
[0]: 7cee5237dc/apps/CMakeLists.txt (L119-L121)
[1]: https://github.com/json-c/json-c/pull/888
(From OE-Core rev: cb5234acdab200bd43b89416d8d7e9df91af58cc)
Signed-off-by: Moritz Haase <Moritz.Haase@bmw.de>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>