Merge pull request #150 from nextstrain/dependabot/github_actions/actions/setup-node-6

Author: dependabot[bot]

.github/workflows/deploy-viz-app.yaml

@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/setup-node@v5
+      - uses: actions/setup-node@v6
         with:
           node-version: 18