ci: Depend on libgda5-devel on Fedora instead of libgda-devel
fedora-latest updated its libgda package to new major libgda version 6, while adding a separate package for libgda5. Pull in the latter until we port to libgda6 ourselves.
fedora-latest updated its libgda package to new major libgda version 6, while adding a separate package for libgda5. Pull in the latter until we port to libgda6 ourselves.