test(inspect-ui): drop htmlUrl test, add @types/bun

Pulls bun-types into tsconfig so api.test.ts (which uses bun:test)
typechecks; this was broken from the original feature commit.

inspect-ui/tsconfig.json

@@ -16,7 +16,7 @@
     "allowSyntheticDefaultImports": true,
     "forceConsistentCasingInFileNames": true,
     "useDefineForClassFields": true,
-    "types": ["vite/client"]
+    "types": ["vite/client", "bun"]
   },
   "include": ["src", "vite.config.ts"]
 }