Merge pull request #96027 from lizhuqi/fluentd-config-update

Add keep_time_key setting to fluentd configuration

cluster/gce/windows/k8s-node-setup.psm1

@@ -2099,6 +2099,7 @@ $FLUENTD_CONFIG = @'
       format json
       time_key time
       time_format %Y-%m-%dT%H:%M:%S.%NZ
+      keep_time_key
     </pattern>
     <pattern>
       format /^(?<time>.+) (?<stream>stdout|stderr) [^ ]* (?<log>.*)$/