chore(deps): update dependency @types/leaflet to v1.9.21

Author: renovate[bot]

apps/client/package.json

@@ -68,7 +68,7 @@
     "@preact/preset-vite": "2.10.2",
     "@types/bootstrap": "5.2.10",
     "@types/jquery": "3.5.33",
-    "@types/leaflet": "1.9.20",
+    "@types/leaflet": "1.9.21",
     "@types/leaflet-gpx": "1.3.8",
     "@types/mark.js": "8.11.12",
     "@types/tabulator-tables": "6.2.11",