chore(preact-query/vite.config): exclude '__tests__' directory from coverage reports (#10124)

Author: sukvvon

packages/preact-query/vite.config.ts

@@ -23,7 +23,12 @@ export default defineConfig({
     watch: false,
     environment: 'jsdom',
     setupFiles: ['test-setup.ts'],
-    coverage: { enabled: true, provider: 'istanbul', include: ['src/**/*'] },
+    coverage: {
+      enabled: true,
+      provider: 'istanbul',
+      include: ['src/**/*'],
+      exclude: ['src/__tests__/**'],
+    },
     typecheck: { enabled: true },
     restoreMocks: true,
     retry: process.env.CI ? 3 : 0,