Update dependency node to v22

Author: renovate[bot]

.github/workflows/pr-preview.yml

@@ -335,7 +335,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '18'
+          node-version: '22'
 
       - name: Install Playwright
         run: |

.github/workflows/visual-diff.yml

@@ -107,7 +107,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '18'
+          node-version: '22'
 
       - name: Install Playwright
         run: |