upgrade to schema-builder v6

data/fields/cycleway.json

@@ -1,13 +1,13 @@
 {
+    "key": "cycleway",
     "keys": [
-        "cycleway",
         "cycleway:left",
         "cycleway:right"
     ],
     "reference": {
         "key": "cycleway"
     },
-    "type": "cycleway",
+    "type": "directionalCombo",
     "label": "Bike Lanes",
     "placeholder": "Lane, Track, Contraflow, …",
     "strings": {