WIP: steamrt-libdevel: Add libcasefold-dev on both architectures
Drop it from steamrt-libdevel-non-multiarch since we can now co-install it.
Requires packaging/syscall-intercept!8, packaging/libcasefold!4
Drop it from steamrt-libdevel-non-multiarch since we can now co-install it.
Requires packaging/syscall-intercept!8, packaging/libcasefold!4