Change logs for iwyu source package in Mantic

iwyu (8.18-2) unstable; urgency=medium

  * Build using release.
    Thanks to Steven Trabert
    (Closes: #1016949)
  * Force the usage of clang-14 (Closes: #1014003, #1010495, #1003487)

 -- Sylvestre Ledru <email address hidden>  Wed, 10 Aug 2022 22:36:00 +0200