fix(deps): update dependency @react-leaflet/core to v3

Author: renovate[bot]

package.json

@@ -18,7 +18,7 @@
     "@fortawesome/fontawesome-free": "5.15.4",
     "@maplibre/maplibre-gl-leaflet": "0.0.22",
     "@prosopo/procaptcha-wrapper": "^2.6.11",
-    "@react-leaflet/core": "^2.1.0",
+    "@react-leaflet/core": "^3.0.0",
     "adhocracy4": "git+https://github.com/liqd/adhocracy4.git#main",
     "autoprefixer": "10.4.20",
     "bootstrap": "5.2.3",