Initial commit to upgrade code mirror

package.json

@@ -24,6 +24,8 @@
   "license": "MIT",
   "homepage": "https://github.com/maplibre/maputnik#readme",
   "dependencies": {
+    "@codemirror/lang-json": "^6.0.2",
+    "@codemirror/theme-one-dark": "^6.1.3",
     "@dnd-kit/core": "^6.3.1",
     "@dnd-kit/sortable": "^10.0.0",
     "@dnd-kit/utilities": "^3.2.2",
@@ -31,11 +33,10 @@
     "@maplibre/maplibre-gl-geocoder": "^1.9.0",
     "@maplibre/maplibre-gl-inspect": "^1.7.1",
     "@maplibre/maplibre-gl-style-spec": "^23.3.0",
-    "@prantlf/jsonlint": "^16.0.0",
     "array-move": "^4.0.0",
     "buffer": "^6.0.3",
     "classnames": "^2.5.1",
-    "codemirror": "^5.65.20",
+    "codemirror": "^6.0.2",
     "color": "^5.0.0",
     "detect-browser": "^5.3.0",
     "downshift": "^9.0.10",