[TASK] Update htmlmin to v2
[TASK] Update htmlmin to v2

ffrgb/meshviewer,Freifunk-Troisdorf/meshviewer,Freifunk-Rhein-Neckar/meshviewer,hopglass/ffrgb-meshviewer,FreifunkMD/Meshviewer,freifunkMUC/meshviewer,Freifunk-Troisdorf/meshviewer,FreifunkMD/Meshviewer,freifunkMUC/meshviewer,FreifunkBremen/meshviewer-ffrgb,Freifunk-Rhein-Neckar/meshviewer,rubo77/meshviewer-1,hopglass/ffrgb-meshviewer,xf-/meshviewer-1,Freifunk-Rhein-Neckar/meshviewer,FreifunkBremen/meshviewer-ffrgb,ffrgb/meshviewer,rubo77/meshviewer-1,xf-/meshviewer-1