v5 has issues where yarn fails immediately

Because it was a breaking change they pretty much immediately had to ship v6 to fix the issue.

Author: jsonbailey

.github/workflows/server-ai-langchain.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
-      - uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5.0.0
+      - uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0
         with:
           node-version: 22.x
           registry-url: 'https://registry.npmjs.org'