Update arch-container-builder

diff --git a/workstation/arch-container-builder b/workstation/arch-container-builder
index 644b9991864010fe53a56e5e59ff31ad39f0f451..6b9bc5ce2374665eb2795711bd0371040d987157 160000 (submodule)
--- a/workstation/arch-container-builder
+++ b/workstation/arch-container-builder
@@ -1 +1 @@
-Subproject commit 644b9991864010fe53a56e5e59ff31ad39f0f451
+Subproject commit 6b9bc5ce2374665eb2795711bd0371040d987157