ci: setup latest node for size comment

Author: danielroe

.github/workflows/size-comment.yml

@@ -15,6 +15,9 @@ jobs:
     if: github.event.workflow_run.conclusion == 'success'
     runs-on: ubuntu-latest
     steps:
+      - uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5.0.0
+        with:
+          node-version: latest
       - name: 🔍 Get PR number
         id: pr
         uses: actions/github-script@v8