Fix panic in extractDataFolderFromArduinoCLI

When using the latest arduino CLI (nightly-20240102 Commit: db53f81) the
return of `arduino-cli config dump` looks like:

	{
	  "config": {
	    "directories": {
	      "data": "/home/nicolas/.arduino15",
	      "downloads": "/home/nicolas/.arduino15/staging",
	      "user": "/home/nicolas/Arduino"
	    }
	  }
	}

Author: n-peugnet

ls/ls.go

@@ -1470,17 +1470,19 @@ func (ls *INOLanguageServer) extractDataFolderFromArduinoCLI(logger jsonrpc.Func
 		}
 
 		type cmdRes struct {
-			Directories struct {
-				Data string `json:"data"`
-			} `json:"directories"`
+			Config struct {
+				Directories struct {
+					Data string `json:"data"`
+				} `json:"directories"`
+			} `json:"config"`
 		}
 		var res cmdRes
 		if err := json.Unmarshal(cmdOutput.Bytes(), &res); err != nil {
 			return nil, errors.Errorf("parsing arduino-cli output: %s", err)
 		}
 		// Return only the build path
-		logger.Logf("Arduino Data Dir -> %s", res.Directories.Data)
-		dataDir = res.Directories.Data
+		logger.Logf("Arduino Data Dir -> %s", res.Config.Directories.Data)
+		dataDir = res.Config.Directories.Data
 	}
 
 	dataDirPath := paths.New(dataDir)