ci: update to Node.js 22 LTS (#21)

Author: MikeMcC399

.github/workflows/test.yml

@@ -24,7 +24,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 22
       - name: Cypress test
         uses: cypress-io/github-action@v6
         with: