Add stubs to exclude_analysis_directory_list

Signed-off-by: Daniel Kesselberg <mail@danielkesselberg.de>

Author: kesselb

build/.phan/config.php

@@ -97,6 +97,7 @@
 		'apps/user_ldap/tests',
 		'apps/workflowengine/composer',
 		'apps/workflowengine/tests',
+		'build/.phan/stubs',
 		'lib/composer',
 	],