Update docs for node filter of `docker service ps`

As is specified in 26964, it is possible to specify
a filter based on the node name or node ID.

This fix updates the related docs for that.

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

docs/reference/api/docker_remote_api_v1.24.md

@@ -5095,7 +5095,7 @@ List tasks
   - `id=<task id>`
   - `name=<task name>`
   - `service=<service name>`
-  - `node=<node id>`
+  - `node=<node id or name>`
   - `label=key` or `label="key=value"`
   - `desired-state=(running | shutdown | accepted)`
 

docs/reference/api/docker_remote_api_v1.25.md

@@ -5262,7 +5262,7 @@ List tasks
   - `id=<task id>`
   - `name=<task name>`
   - `service=<service name>`
-  - `node=<node id>`
+  - `node=<node id or name>`
   - `label=key` or `label="key=value"`
   - `desired-state=(running | shutdown | accepted)`
 

docs/reference/commandline/service_ps.md

@@ -61,6 +61,7 @@ The currently supported filters are:
 
 * [id](#id)
 * [name](#name)
+* [node](#node)
 * [desired-state](#desired-state)
 
 
@@ -86,6 +87,20 @@ redis.1.0qihejybwf1x5vqi8lgzlgnpq   redis:3.0.6  manager1  Running        Runnin
 ```
 
 
+#### Node
+
+The `node` filter matches on a node name or a node ID.
+
+```bash
+$ docker service ps -f "node=manager1" redis
+NAME                                IMAGE        NODE      DESIRED STATE  CURRENT STATE
+redis.1.0qihejybwf1x5vqi8lgzlgnpq   redis:3.0.6  manager1  Running        Running 8 seconds
+redis.5.1x0v8yomsncd6sbvfn0ph6ogc   redis:3.0.6  manager1  Running        Running 8 seconds
+redis.9.3w1wu13yuplna8ri3fx47iwad   redis:3.0.6  manager1  Running        Running 8 seconds
+redis.10.8eaxrb2fqpbnv9x30vr06i6vt  redis:3.0.6  manager1  Running        Running 8 seconds
+```
+
+
 #### desired-state
 
 The `desired-state` filter can take the values `running`, `shutdown`, and `accepted`.