CI: Adopt Node.js 21 (#3376)

Author: nstepien

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         with:
-          node-version: '20.x'
+          node-version: '21.x'
           check-latest: true
       - uses: actions/cache@v3
         with:
@@ -47,7 +47,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         with:
-          node-version: '20.x'
+          node-version: '21.x'
           check-latest: true
       - uses: actions/cache@v3
         with:

vite.config.ts

@@ -48,6 +48,7 @@ export default defineConfig({
       reporter: ['text', 'json']
     },
     useAtomics: true,
+    testTimeout: isCI ? 10000 : 5000,
     setupFiles: ['test/setup.ts'],
     restoreMocks: true,
     sequence: {