fix(ci): appease oxlint in vitest configs

vitest.gateway.config.ts

@@ -1,11 +1,12 @@
 import { defineConfig } from "vitest/config";
 import baseConfig from "./vitest.config.ts";
 
+const base = baseConfig as unknown as Record<string, unknown>;
 const baseTest = (baseConfig as { test?: { exclude?: string[] } }).test ?? {};
 const exclude = baseTest.exclude ?? [];
 
 export default defineConfig({
-  ...baseConfig,
+  ...base,
   test: {
     ...baseTest,
     include: ["src/gateway/**/*.test.ts"],