Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to 4e74a1e24e15b3db2216fb269a58cfc08e598f63
  - k8s: Validate API server certificates and keys

    This patch verifies if CIS Kubernetes Benchmark v1.3.0 sections
    regarding master node configuration are satisfied (1.1.22, 1.1.25 -
    1.1.26 and 1.1.28).

    Issue-ID: SECCOM-235
    Change-Id: Ic61a796653dc868d20fe69c3ed508e7fa8ba52db
    Signed-off-by: Pawel Wieczorek <p.wieczorek2@samsung.com>

diff --git a/docs/submodules/integration.git b/docs/submodules/integration.git
index 3e60259..4e74a1e 160000 (submodule)
--- a/docs/submodules/integration.git
+++ b/docs/submodules/integration.git
@@ -1 +1 @@
-Subproject commit 3e602597b036d29f77485f35c1f81a8cdb6f350b
+Subproject commit 4e74a1e24e15b3db2216fb269a58cfc08e598f63