Use postgres for playwright testing (#9104)

* Use postgres for playwright testing

- Should reduce issues with parallel tests

* Fix deps

* Harden playwright tests

src/frontend/playwright.config.ts

@@ -28,7 +28,7 @@ export default defineConfig({
   /* Run your local dev server before starting the tests */
   webServer: [
     {
-      command: 'yarn run dev',
+      command: 'yarn run dev --host',
       url: 'http://localhost:5173',
       reuseExistingServer: !process.env.CI,
       stdout: 'pipe',