ci: retry transient Playwright failures

testing/frontend/playwright-ct.config.mjs

@@ -6,6 +6,7 @@ const testingDir = path.dirname(fileURLToPath(import.meta.url));
 
 export default defineConfig({
   testDir: path.resolve(testingDir, "component"),
+  retries: process.env.CI ? 1 : 0,
   use: {
     ctPort: 3100,
     ctTemplateDir: "../../frontend/playwright",

testing/frontend/playwright.config.mjs

@@ -9,6 +9,7 @@ const webServerCommand = process.env.PLAYWRIGHT_REUSE_DIST === "1" ? previewComm
 
 export default defineConfig({
   testDir: path.resolve(testingDir, "e2e"),
+  retries: process.env.CI ? 1 : 0,
   workers: 1,
   timeout: 60000,
   expect: {