🐛 FIX: correct namespace

Signed-off-by: Jonas Sulzer <jonas@violoncello.ch>

appinfo/info.xml

@@ -19,6 +19,7 @@ Read the [documentation](https://github.com/nextcloud/user_external#readme) to l
 	<version>2.1.0</version>
 	<licence>agpl</licence>
 	<author>Robin Appelman</author>
+	<namespace>UserExternal</namespace>
 	<types>
 		<prelogin/>
 		<authentication/>

lib/Migration/Version0010Date20200630193751.php

@@ -23,7 +23,7 @@ declare(strict_types=1);
  *
  */
 
-namespace OCA\User_external\Migration;
+namespace OCA\UserExternal\Migration;
 
 use Closure;
 use OCP\DB\ISchemaWrapper;