[Initiatives.wiki] Update DevOps with Flatpak

[Jordan Petridis <jpetridis src gnome org>]

commit 9ab3830a3d1bea0373c834fd2bb072a23e181b11
Author: Jordan Petridis <jordanpetridis protonmail com>
Date:   Wed Sep 26 14:19:08 2018 +0000

    Update DevOps with Flatpak

 DevOps-with-Flatpak.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/DevOps-with-Flatpak.md b/DevOps-with-Flatpak.md
index 7b29db2..70f90fd 100644
--- a/DevOps-with-Flatpak.md
+++ b/DevOps-with-Flatpak.md
@@ -165,7 +165,7 @@ flatpak:
             - ${BUNDLE}
             - _build/meson-logs/meson-log.txt
             - _build/meson-logs/testlog.txt
-        expire_in: 7 days
+        expire_in: 2 days
     cache:
         paths:
             - .flatpak-builder/downloads