pkg-config: Bump to 0.28 and use tarball
pkg-config: Bump to 0.28 and use tarball

flexVDI/cerbero,atsushieno/cerbero,centricular/cerbero,GStreamer/cerbero,lubosz/cerbero,atsushieno/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,brion/cerbero,shoreflyer/cerbero,multipath-rtp/cerbero,GStreamer/cerbero,AlertMe/cerbero,davibe/cerbero,ikonst/cerbero,atsushieno/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,jackjansen/cerbero,ford-prefect/cerbero,sdroege/cerbero,multipath-rtp/cerbero,multipath-rtp/cerbero,fluendo/cerbero,ylatuya/cerbero,lubosz/cerbero,centricular/cerbero,nirbheek/cerbero,GStreamer/cerbero,multipath-rtp/cerbero,GStreamer/cerbero,superdump/cerbero,nzjrs/cerbero,davibe/cerbero,ramaxlo/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,EricssonResearch/cerbero,nzjrs/cerbero,ikonst/cerbero,ramaxlo/cerbero,flexVDI/cerbero,flexVDI/cerbero,ylatuya/cerbero,sdroege/cerbero,ford-prefect/cerbero,sdroege/cerbero,multipath-rtp/cerbero,ylatuya/cerbero,justinjoy/cerbero,nirbheek/cerbero,AlertMe/cerbero,atsushieno/cerbero,ikonst/cerbero,nirbheek/cerbero-old,sdroege/cerbero,jackjansen/cerbero,nirbheek/cerbero,fluendo/cerbero,ikonst/cerbero,nzjrs/cerbero,AlertMe/cerbero,EricssonResearch/cerbero,atsushieno/cerbero,centricular/cerbero,EricssonResearch/cerbero,superdump/cerbero,GStreamer/cerbero,nirbheek/cerbero,shoreflyer/cerbero,brion/cerbero,superdump/cerbero,jackjansen/cerbero,centricular/cerbero,fluendo/cerbero,jackjansen/cerbero,ford-prefect/cerbero,sdroege/cerbero,nzjrs/cerbero,centricular/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,superdump/cerbero,ikonst/cerbero,justinjoy/cerbero,nirbheek/cerbero-old,OptoFidelity/cerbero,OptoFidelity/cerbero,nzjrs/cerbero,davibe/cerbero,nirbheek/cerbero-old,ramaxlo/cerbero,flexVDI/cerbero,fluendo/cerbero,ylatuya/cerbero,brion/cerbero,justinjoy/cerbero,davibe/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,shoreflyer/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,flexVDI/cerbero,shoreflyer/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,EricssonResearch/cerbero,EricssonResearch/cerbero,fluendo/cerbero,lubosz/cerbero,brion/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,nirbheek/cerbero-old,OptoFidelity/cerbero,ramaxlo/cerbero,shoreflyer/cerbero,ramaxlo/cerbero,AlertMe/cerbero,ford-prefect/cerbero,OptoFidelity/cerbero,AlertMe/cerbero,lubosz/cerbero,brion/cerbero,justinjoy/cerbero