Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to 96908856dea9061161b2c324aa7b0eeb5d6e4fd5
  - Fix artifacts references in main TOSCA descriptor

    During package conversion, artifacts can have their path changed.
    References for those artifacts inside the main TOSCA descriptor must be
    updated accordingly.

    Change-Id: Idcffb0724c20875ff1decebfec7c47605bfe20dc
    Issue-ID: SDC-2540
    Signed-off-by: andre.schmid <andre.schmid@est.tech>

diff --git a/docs/submodules/sdc.git b/docs/submodules/sdc.git
index c1e9e72..9690885 160000 (submodule)
--- a/docs/submodules/sdc.git
+++ b/docs/submodules/sdc.git
@@ -1 +1 @@
-Subproject commit c1e9e72d0689f1188daf0c105e035bd16a0818f8
+Subproject commit 96908856dea9061161b2c324aa7b0eeb5d6e4fd5