Add jwtTokenAuth to plugin metadata schema (#30346)

docs/sources/developers/plugins/plugin.schema.json

@@ -380,6 +380,41 @@
                 }
               }
             }
+          },
+          "jwtTokenAuth": {
+            "type": "object",
+            "description": "For data source plugins. Token authentication section used with an JWT OAuth API.",
+            "additionalProperties": false,
+            "properties": {
+              "url": {
+                "type": "string",
+                "description": "For data source plugins. URL to fetch the JWT token.",
+                "format": "uri"
+              },
+              "params": {
+                "type": "object",
+                "description": "For data source plugins. Parameters for the token authentication request.",
+                "additionalProperties": false,
+                "properties": {
+                  "grant_type": {
+                    "type": "string",
+                    "description": "For data source plugins. OAuth grant type."
+                  },
+                  "client_id": {
+                    "type": "string",
+                    "description": "For data source plugins. OAuth client id."
+                  },
+                  "client_secret": {
+                    "type": "string",
+                    "description": "For data source plugins. OAuth client secret. Usually populated by decrypting the secret from the SecureJson blob."
+                  },
+                  "resource": {
+                    "type": "string",
+                    "description": "For data source plugins. OAuth resource."
+                  }
+                }
+              }
+            }
           }
         }
       }