ci: 💚 trying to fix test build

Author: MrWeez

.github/workflows/test-deploy.yml

@@ -14,10 +14,10 @@ jobs:
     name: Test deployment
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - uses: actions/checkout@v6
+      - uses: actions/setup-node@v6
         with:
-          node-version: 18.x
+          node-version: 21
           cache: yarn
       - name: Test build
         working-directory: docs