Update git submodules

Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to 056ef4c18a177e179ce288247f67cf23dad47c18
  - k8s: Add tests for API server validators

    This patch also adds convenience target to the Makefile and updates
    documentation on relevant dependencies.

    Issue-ID: SECCOM-235
    Change-Id: I57e00af3cd4c60af3128e3094607cc61bc1e5dbe
    Signed-off-by: Pawel Wieczorek <p.wieczorek2@samsung.com>
  - k8s: Relax kublet HTTPS connection requirement

    According to kube-apiserver documentation [1] and CIS guideline 1.1.4
    option "--kubelet-https=" might be absent in API server configuration.

    It has secure configuration (being set to "true") by default.

    [1] https://kubernetes.io/docs/reference/command-line-tools-reference/kube-apiserver/

    Issue-ID: SECCOM-235
    Change-Id: I604cdcace03f65185aab6a0b34d48cfec94277ab
    Signed-off-by: Pawel Wieczorek <p.wieczorek2@samsung.com>
  - k8s: Make Rancher CLI provisioner configurable

    Apparently Linux AMD64 machines are not the only ones used for ONAP
    development (author meant no harm).

    Issue-ID: SECCOM-235
    Change-Id: Ia78a02fb82dc5752d6b8fd2cef8e6ef583fd3ca6
    Signed-off-by: Pawel Wieczorek <p.wieczorek2@samsung.com>