chore: Fix author name

Signed-off-by: Joas Schilling <coding@schilljs.com>

Author: nickvergessen

appinfo/info.xml

@@ -11,7 +11,7 @@
 	<description><![CDATA[Monitor directories for file upload inactivity and receive notifications when no new files have been uploaded within a configured time period.]]></description>
 	<version>1.0.0</version>
 	<licence>agpl</licence>
-	<author>Nextcloud</author>
+	<author>Joas Schilling</author>
 	<namespace>UploadMonitor</namespace>
 
 	<category>monitoring</category>