Updates mail: 9e1e91d Fix notmuch config

diff --git a/modules/mail b/modules/mail
index 1eddf56265e9375514ca54f71be57d179b675019..9e1e91de5d33eeb46724f62e481ee9f7055bb041 160000 (submodule)
--- a/modules/mail
+++ b/modules/mail
@@ -1 +1 @@
-Subproject commit 1eddf56265e9375514ca54f71be57d179b675019
+Subproject commit 9e1e91de5d33eeb46724f62e481ee9f7055bb041