redis proxy: fix example in the proto comment (#37652)

Commit Message: redis proxy: fix example in the proto comment
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[Optional Fixes #Issue]
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Signed-off-by: wangbaiping(wbpcode) <[email protected]>

Author: wbpcode

api/envoy/config/cluster/redis/redis_cluster.proto

@@ -43,14 +43,14 @@ option (udpa.annotations.file_status).package_version_status = FROZEN;
 //       address: foo.bar.com
 //       port_value: 22120
 //     cluster_type:
-//     name: envoy.clusters.redis
-//     typed_config:
-//       "@type": type.googleapis.com/google.protobuf.Struct
-//       value:
-//         cluster_refresh_rate: 30s
-//         cluster_refresh_timeout: 0.5s
-//         redirect_refresh_interval: 10s
-//         redirect_refresh_threshold: 10
+//       name: envoy.clusters.redis
+//       typed_config:
+//         "@type": type.googleapis.com/google.protobuf.Struct
+//         value:
+//           cluster_refresh_rate: 30s
+//           cluster_refresh_timeout: 0.5s
+//           redirect_refresh_interval: 10s
+//           redirect_refresh_threshold: 10
 // [#extension: envoy.clusters.redis]
 
 // [#next-free-field: 7]

api/envoy/extensions/clusters/redis/v3/redis_cluster.proto

@@ -44,14 +44,14 @@ option (udpa.annotations.file_status).package_version_status = ACTIVE;
 //       address: foo.bar.com
 //       port_value: 22120
 //     cluster_type:
-//     name: envoy.clusters.redis
-//     typed_config:
-//       "@type": type.googleapis.com/google.protobuf.Struct
-//       value:
-//         cluster_refresh_rate: 30s
-//         cluster_refresh_timeout: 0.5s
-//         redirect_refresh_interval: 10s
-//         redirect_refresh_threshold: 10
+//       name: envoy.clusters.redis
+//       typed_config:
+//         "@type": type.googleapis.com/google.protobuf.Struct
+//         value:
+//           cluster_refresh_rate: 30s
+//           cluster_refresh_timeout: 0.5s
+//           redirect_refresh_interval: 10s
+//           redirect_refresh_threshold: 10
 // [#extension: envoy.clusters.redis]
 
 // [#next-free-field: 7]