[gnome-build-meta/jjardon/bst-1.4] .gitlab-ci.yml: Use buildstream 1.4

[Javier Jardón Cabezas <jjardon src gnome org>]

commit 7141e14fa4ac1f2431defe59f70a8d3dabdb3fcc
Author: Javier Jardón <jjardon gnome org>
Date:   Wed Sep 4 14:07:54 2019 +0100

    .gitlab-ci.yml: Use buildstream 1.4
    
    This is the new stable release

 .gitlab-ci.yml | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 393160f8..44613e8b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -4,14 +4,15 @@ variables:
   XDG_CACHE_HOME: "${CI_PROJECT_DIR}/cache"
   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: '0.13.0-0-g6121d1909f80379776e7cff21faaf91adfc779e2'
+  BST_SHA: '1.4.0-0-gf8ca130adb632614ebff8453fd91d4c96e87221d'
+  BST_EXTERNAL_SHA: '0.18.0-0-g755206670c87a2999132025d24b0d0aacc611ef2'
   FLATPAK_BRANCH: '3.32'
 
   # Docker Images
   DOCKER_REGISTRY: "registry.gitlab.com/freedesktop-sdk/infrastructure/freedesktop-sdk-docker-images"
-  DOCKER_AMD64: "${DOCKER_REGISTRY}/amd64:e132e7bf9180b30c6ad0f4b057442cc2f2a0aa86"
-  DOCKER_AARCH64: "${DOCKER_REGISTRY}/aarch64:e132e7bf9180b30c6ad0f4b057442cc2f2a0aa86"
+  DOCKER_IMAGE_ID: '1a534a96f9144ca8ee87cee1fef97faa7c396533'
+  DOCKER_AMD64: "${DOCKER_REGISTRY}/bst14/amd64:${DOCKER_IMAGE_ID}"
+  DOCKER_AARCH64: "${DOCKER_REGISTRY}/bst14/arm64:${DOCKER_IMAGE_ID}"
 
 stages:
   - track