⬆️ Upgrade dependency maplibre-gl to v6

Author: renovate[bot]

package.json

@@ -61,7 +61,7 @@
         "Leaflet-MovingMaker": "^0.0.1",
         "lgbtq.css": "^2.0.7",
         "luxon": "^3.4.4",
-        "maplibre-gl": "^5.11.0",
+        "maplibre-gl": "^6.0.0",
         "marked": "^18.0.0",
         "notyf": "^3.10.0",
         "papaparse": "^5.5.3",