chore: update node version

Author: nkrantz

.github/workflows/pr_checks.yml

@@ -45,7 +45,7 @@ jobs:
       - name: Setup node
         uses: actions/setup-node@v4
         with:
-          node-version: '16'
+          node-version: '18'
       - name: Install
         run: yarn install
       - name: Run Cypress tests