Add specific psalm-return for getAllUserValues

Signed-off-by: Côme Chilliet <come.chilliet@nextcloud.com>

Co-authored-by: Joas Schilling <coding@schilljs.com>
Signed-off-by: Côme Chilliet <come.chilliet@nextcloud.com>

Author: come-nc

lib/private/AllConfig.php

@@ -401,6 +401,7 @@ public function deleteAppFromAllUsers($appName) {
 	 * Returns all user configs sorted by app of one user
 	 *
 	 * @param ?string $userId the user ID to get the app configs from
+	 * @psalm-return array<string, array<string, string>>
 	 * @return array[] - 2 dimensional array with the following structure:
 	 *     [ $appId =>
 	 *         [ $key => $value ]

lib/public/IConfig.php

@@ -220,6 +220,7 @@ public function getUserKeys($userId, $appName);
 	 * Get all user configs sorted by app of one user
 	 *
 	 * @param string $userId the userId of the user that we want to get all values from
+	 * @psalm-return array<string, array<string, string>>
 	 * @return array[] - 2 dimensional array with the following structure:
 	 *     [ $appId =>
 	 *         [ $key => $value ]