Update Node.js version in Snyk workflow

Author: universalbit-dev

.github/workflows/snyk-security.yml

@@ -27,7 +27,7 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '20'
+          node-version: '22'
 
       - name: Verify Snyk token exists
         run: |