Qt: Bump version to 5.8.0 stable release
Qt: Bump version to 5.8.0 stable release

Signed-off-by: Gordan Markuš <393f2ce93a698aae735a2b90097ddab3b3bbfa42@pelagicore.com>

Pelagicore/pelux-manifests,sashko/pelux-manifests,DunderRoffe/pelux-manifests,rpannek/pelux-manifests