chore: bump max NC version to 33

Signed-off-by: Jana Peper <[email protected]>

Author: janepie

appinfo/info.xml

@@ -20,7 +20,7 @@ and a unified search provider for messages. It also lets you send files to Matte
 	<screenshot>https://raw.githubusercontent.com/nextcloud/integration_mattermost/main/img/screenshot2.jpg</screenshot>
 	<screenshot>https://raw.githubusercontent.com/nextcloud/integration_mattermost/main/img/screenshot3.jpg</screenshot>
 	<dependencies>
-		<nextcloud min-version="32" max-version="32"/>
+		<nextcloud min-version="32" max-version="33"/>
 	</dependencies>
 	<background-jobs>
 		<job>OCA\Mattermost\BackgroundJob\DailySummaryWebhook</job>

lib/Search/MattermostSearchMessagesProvider.php

@@ -34,11 +34,12 @@
 use OCP\IURLGenerator;
 use OCP\IUser;
 use OCP\Search\IProvider;
+use OCP\Search\IExternalProvider;
 use OCP\Search\ISearchQuery;
 use OCP\Search\SearchResult;
 use OCP\Search\SearchResultEntry;
 
-class MattermostSearchMessagesProvider implements IProvider {
+class MattermostSearchMessagesProvider implements IProvider, IExternalProvider {
 
 	public function __construct(
 		private IAppManager $appManager,
@@ -176,4 +177,8 @@ protected function getThumbnailUrl(array $entry): string {
 			)
 			: '';
 	}
+
+		public function isExternalProvider(): bool {
+		return True;
+	}
 }