Fix throwing TaskException with valid type argument

Author: norkunas

src/Command/MeilisearchImportCommand.php

@@ -176,7 +176,7 @@ private function formatIndexingResponse(array $batch, int $responseTimeout): arr
                 $task = $indexInstance->getTask($apiResponse['taskUid']);
 
                 if ('failed' === $task['status']) {
-                    throw new TaskException($task['error']);
+                    throw new TaskException(\is_array($task['error']) ? $task['error']['message'] : $task['error']);
                 }
 
                 $formattedResponse[$indexName] += $task['details']['indexedDocuments'];

src/Services/SettingsUpdater.php

@@ -70,7 +70,7 @@ public function update(string $indice, ?int $responseTimeout = null): void
             $task = $indexInstance->getTask($task['taskUid']);
 
             if ('failed' === $task['status']) {
-                throw new TaskException($task['error']);
+                throw new TaskException(\is_array($task['error']) ? $task['error']['message'] : $task['error']);
             }
 
             $this->eventDispatcher->dispatch(new SettingsUpdatedEvent($index['class'], $indexName, $variable));