[TASK] Upgrade packages for faster sass build in nodejs v9
[TASK] Upgrade packages for faster sass build in nodejs v9

Freifunk-Troisdorf/meshviewer,FreifunkBremen/meshviewer-ffrgb,freifunkMUC/meshviewer,FreifunkBremen/meshviewer-ffrgb,ffrgb/meshviewer,FreifunkMD/Meshviewer,xf-/meshviewer-1,freifunkMUC/meshviewer,Freifunk-Rhein-Neckar/meshviewer,Freifunk-Troisdorf/meshviewer,xf-/meshviewer-1,FreifunkMD/Meshviewer,Freifunk-Rhein-Neckar/meshviewer,ffrgb/meshviewer,Freifunk-Rhein-Neckar/meshviewer