build(deps): bump jstree from 3.3.15 to 3.3.16

Bumps [jstree](https://github.com/vakata/jstree) from 3.3.15 to 3.3.16.
- [Release notes](https://github.com/vakata/jstree/releases)
- [Commits](vakata/jstree@3.3.15...3.3.16)

---
updated-dependencies:
- dependency-name: jstree
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -41,7 +41,7 @@
     "jquery-toast-plugin": "^1.3.2",
     "jquery.uls": "^0.1.0",
     "js-cookie": "^2.2.0",
-    "jstree": "^3.3.15",
+    "jstree": "^3.3.16",
     "leaflet": "^1.9.4",
     "leaflet-fullscreen": "^1.0.2",
     "leaflet-minimap": "^3.6.1",