Make the Node version banner text smaller (#40983)

GitOrigin-RevId: b0c9ea96423fc11781528a4b53adf1bdf774e3a2

Author: Nicolapps

npm-packages/dashboard-common/src/layouts/DeploymentDashboardLayout.tsx

@@ -203,7 +203,7 @@ function NodeVersionBanner() {
 
   if (usingNode18) {
     return (
-      <div className="border-y bg-background-warning py-2 text-center text-content-warning">
+      <div className="border-y bg-background-warning py-2 text-center text-xs text-content-warning">
         This deployment is using Node 18 and will be automatically upgraded to
         Node 20 on October 22, 2025. To manually configure the Node version,
         visit the{" "}