vibe.data.json: Fix isNumeric conflict with DMD 2.072
vibe.data.json: Fix isNumeric conflict with DMD 2.072

rejectedsoftware/vibe.d,AndreyMZ/vibe.d,etcimon/vibe.d,etcimon/vibe.d,gedaiu/vibe.d,Geod24/vibe.d,chalucha/vibe.d,DBankov/vibe.d