Update ccls to version 0.20240202 / rev 19 via SR 1169579
    
    https://build.opensuse.org/request/show/1169579
    by user aaronpuchert + anag+factory
    - Update to version 0.20240202.
      * Compatibility with LLVM 18.
      * Disable -include b.hh => -include b.hh.{gch,pch} transition.
        See https://maskray.me/blog/2023-07-16-precompiled-headers for
        the behavior.
    - Remove obsolete patches:
      * llvm16-optional-deprecation.patch
      * llvm17-precompiled-preamble-build.patch
    - Thanks to Björn Bidar for the original patch!