chore(deps): update dependency bun-types to v1.2.18

Author: renovate[bot]

bun.lock

@@ -7,7 +7,7 @@
     "functions/"
   ],
   "devDependencies": {
-    "bun-types": "1.0.15",
+    "bun-types": "1.2.18",
     "prettier": "3.1.0",
     "prettier-plugin-svelte": "3.1.2",
     "prettier-plugin-tailwindcss": "0.5.9"