[gnome-build-meta/mcatanzaro/18.08.32-gnome-3-32] ci: update bst-external

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 245a80614e15481181600d50ff21cf665df07657
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Wed Jun 12 15:02:54 2019 -0500

    ci: update bst-external

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8238dc54..f5a769f1 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -5,7 +5,7 @@ variables:
   GET_SOURCES_ATTEMPTS: 3
   BST: "bst --config build.conf --log-file logs/build.log --colors"
   BST_SHA: '1.2.4-3-g79bbefe26a3fcd13d3de558aed6b5b4d5bc1235a'
-  BST_EXTERNAL_SHA: '0.9.0-0-g63a19e8068bd777bd9cd59b1a9442f9749ea5a85'
+  BST_EXTERNAL_SHA: '0.13.0-0-g6121d1909f80379776e7cff21faaf91adfc779e2'
   FLATPAK_BRANCH: '3.32'
 
   # Docker Images