fix: use node 20 for release job

canvas doesn't have a pre-built version for node 22 yet

.github/workflows/node-ci.yml

@@ -57,7 +57,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: 'lts/*'
+          node-version: 20
       - name: Install dependencies
         run: npm ci
       - name: Verify the integrity of provenance attestations and registry signatures for installed dependencies