test(openapi): give the determinism check a chosen timeout

`serializes all documents deterministically` serializes all seven published
documents twice — roughly 2MB of JSON — under vitest's 5s default, which is
not a budget anyone picked for it. The published specs grew 3.3% on this
branch (961KB -> 993KB) from richer descriptions, which is far too small to
move a comfortable test and is enough to tip one already sitting just under
the cap. Measured at 5.1s in isolation with nothing else running.

Raises it to 30s for the openapi suite rather than trimming a real assertion.

Author: waleedlatif1

scripts/openapi/vitest.config.ts

@@ -12,5 +12,12 @@ export default defineConfig({
   test: {
     environment: 'node',
     include: ['scripts/openapi/**/*.test.ts'],
+    /**
+     * The determinism check serializes all seven published documents twice —
+     * roughly 2MB of JSON — so it was running against vitest's 5s default
+     * rather than a budget anyone chose. It already sat just under that on
+     * staging, and this branch's richer descriptions tip it over.
+     */
+    testTimeout: 30_000,
   },
 })