suricatasc: add dataset-lookup command

Ticket: #5184

python/suricata/sc/specs.py

@@ -211,4 +211,18 @@ argsd = {
             "required": 1,
         }
     ],
+    "dataset-lookup": [
+        {
+            "name": "setname",
+            "required": 1,
+        },
+        {
+            "name": "settype",
+            "required": 1,
+        },
+        {
+            "name": "datavalue",
+            "required": 1,
+        },
+    ],
     }

python/suricata/sc/suricatasc.py

@@ -109,6 +109,7 @@ class SuricataSC:
                 "dataset-remove",
                 "get-flow-stats-by-id",
                 "dataset-clear",
+                "dataset-lookup",
                 ]
         self.cmd_list = self.basic_commands + self.fn_commands
         self.sck_path = sck_path