Provide Node in CI job

Author: olyagpl

.github/workflows/web-image-export-function-demo.yml

@@ -29,6 +29,9 @@ jobs:
           distribution: 'graalvm'
           github-token: ${{ secrets.GITHUB_TOKEN }}
           native-image-job-reports: 'true'
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
       - name: Set up Binaryen
         run: |
           curl -sLO https://github.com/WebAssembly/binaryen/releases/download/version_122/binaryen-version_122-x86_64-linux.tar.gz