Update LayerStack and Svelte UX packages (dropping transitive date-fns dep)

Author: techniq

packages/layerchart/package.json

@@ -68,7 +68,7 @@
     "svelte": "5.32.1",
     "svelte-check": "^4.2.1",
     "svelte-json-tree": "^2.2.0",
-    "svelte-ux": "2.0.0-next.2",
+    "svelte-ux": "2.0.0-next.8",
     "svelte2tsx": "^0.7.39",
     "tailwindcss": "^4.1.7",
     "topojson-client": "^3.1.0",
@@ -85,10 +85,10 @@
   "type": "module",
   "dependencies": {
     "@dagrejs/dagre": "^1.1.4",
-    "@layerstack/svelte-actions": "1.0.1-next.4",
-    "@layerstack/svelte-state": "0.1.0-next.9",
-    "@layerstack/tailwind": "2.0.0-next.6",
-    "@layerstack/utils": "2.0.0-next.6",
+    "@layerstack/svelte-actions": "1.0.1-next.11",
+    "@layerstack/svelte-state": "0.1.0-next.16",
+    "@layerstack/tailwind": "2.0.0-next.13",
+    "@layerstack/utils": "2.0.0-next.11",
     "d3-array": "^3.2.4",
     "d3-color": "^3.1.0",
     "d3-delaunay": "^6.0.4",