typo: fix typo in api documents

Signed-off-by: Lei Jitang <leijitang@huawei.com>

docs/api/v1.22.md

@@ -1108,7 +1108,7 @@ Update resource configs of one or more containers.
          "Memory": 314572800,
          "MemorySwap": 514288000,
          "MemoryReservation": 209715200,
-         "KernelMemory": 52428800,
+         "KernelMemory": 52428800
        }
 
 **Example response**:

docs/api/v1.23.md

@@ -1143,7 +1143,7 @@ Update configuration of one or more containers.
          "RestartPolicy": {
            "MaximumRetryCount": 4,
            "Name": "on-failure"
-         },
+         }
        }
 
 **Example response**:

docs/api/v1.24.md

@@ -1170,7 +1170,7 @@ Update configuration of one or more containers.
          "RestartPolicy": {
            "MaximumRetryCount": 4,
            "Name": "on-failure"
-         },
+         }
        }
 
 **Example response**: