Update playbooks_filters.rst (#57200)

* Update playbooks_filters.rst to show JSON in the "JSON Query Filter" example data structure

docs/docsite/rst/user_guide/playbooks_filters.rst

@@ -482,29 +482,52 @@ Sometimes you end up with a complex data structure in JSON format and you need t
 
 Now, let's take the following data structure::
 
-    domain_definition:
-        domain:
-            cluster:
-                - name: "cluster1"
-                - name: "cluster2"
-            server:
-                - name: "server11"
-                  cluster: "cluster1"
-                  port: "8080"
-                - name: "server12"
-                  cluster: "cluster1"
-                  port: "8090"
-                - name: "server21"
-                  cluster: "cluster2"
-                  port: "9080"
-                - name: "server22"
-                  cluster: "cluster2"
-                  port: "9090"
-            library:
-                - name: "lib1"
-                  target: "cluster1"
-                - name: "lib2"
-                  target: "cluster2"
+    {
+        "domain_definition": {
+            "domain": {
+                "cluster": [
+                    {
+                        "name": "cluster1"
+                    },
+                    {
+                        "name": "cluster2"
+                    }
+                ],
+                "server": [
+                    {
+                        "name": "server11",
+                        "cluster": "cluster1",
+                        "port": "8080"
+                    },
+                    {
+                        "name": "server12",
+                        "cluster": "cluster1",
+                        "port": "8090"
+                    },
+                    {
+                        "name": "server21",
+                        "cluster": "cluster2",
+                        "port": "9080"
+                    },
+                    {
+                        "name": "server22",
+                        "cluster": "cluster2",
+                        "port": "9090"
+                    }
+                ],
+                "library": [
+                    {
+                        "name": "lib1",
+                        "target": "cluster1"
+                    },
+                    {
+                        "name": "lib2",
+                        "target": "cluster2"
+                    }
+                ]
+            }
+        }
+    }
 
 To extract all clusters from this structure, you can use the following query::