chore: use the repo standard Node version in the agent deploy workflow

Aligns node-version to 22.23.1 (.nvmrc), matching every other workflow.

Author: ericallam

.github/workflows/dashboard-agent-deploy.yml

@@ -51,7 +51,7 @@ jobs:
       - name: Setup node
         uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
-          node-version: 20.20.2
+          node-version: 22.23.1
           cache: "pnpm"
 
       - name: Install + build the CLI and the agent's deps