Patch vulnerable transitive dependencies in the VitePress docs stack (#184)

* chore: pin patched transitive dependencies

* chore: refresh lockfile with patched transitive deps

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>

Author: Copilot

package.json

@@ -13,5 +13,13 @@
   },
   "devDependencies": {
     "vitepress": "2.0.0-alpha.17"
+  },
+  "pnpm": {
+    "overrides": {
+      "mdast-util-to-hast": "13.2.1",
+      "picomatch": "4.0.4",
+      "postcss": "8.5.15",
+      "rollup": "4.61.1"
+    }
   }
 }