Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to b6dc72ad96d5194fb7529ac39ec239ff92e3e7a2
  - Refactor CsarUtils::writeComponentInterface

    This commit aims to decouple the zip file writing logic from the CsarUtils::writeComponentInterface function. This should provide a higher level of testability and maintenance thanks to inversion of control. An extra helper has also been added to help the migration from the FJ library to VAVR.

    Signed-off-by: Francis Toth <francis.toth@yoppworks.com>
    Change-Id: I4f2df4749cae3082906a80acc39045ac8887ec39
    Issue-ID: SDC-2812

diff --git a/docs/submodules/sdc.git b/docs/submodules/sdc.git
index 6c16c0b..b6dc72a 160000 (submodule)
--- a/docs/submodules/sdc.git
+++ b/docs/submodules/sdc.git
@@ -1 +1 @@
-Subproject commit 6c16c0b33dcfeaf781e7ebfcd1bc2ee2fd38f5f0
+Subproject commit b6dc72ad96d5194fb7529ac39ec239ff92e3e7a2