v2 ci: add Bun and Deno integration tests (#1607)

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

test/integration/vitest.config.js

@@ -1,3 +1,11 @@
+import { defineConfig, mergeConfig } from 'vitest/config';
 import baseConfig from '../../common/vitest-config/vitest.config.js';
 
-export default baseConfig;
+export default mergeConfig(
+    baseConfig,
+    defineConfig({
+        test: {
+            exclude: ['**/dist/**', '**/bun.test.ts', '**/deno.test.ts']
+        }
+    })
+);