Update dependency @preact/signals to v2

Author: renovate[bot]

deno.jsonc

@@ -41,7 +41,7 @@
     "@deno/vite-plugin": "npm:@deno/vite-plugin@1.0.2",
     "@pandacss/dev": "npm:@pandacss/dev@0.51.1",
     "@preact/preset-vite": "npm:@preact/preset-vite@2.9.4",
-    "@preact/signals": "npm:@preact/signals@1.3.1",
+    "@preact/signals": "npm:@preact/signals@2.0.0",
     "babel-plugin-transform-hook-names": "npm:babel-plugin-transform-hook-names@1.0.2",
     "marked": "npm:marked@14.1.4",
     "marked-gfm-heading-id": "npm:marked-gfm-heading-id@4.1.1",