Update git submodules

* Update openstack-helm from branch 'master'
  to 3faddf006a688ad4bece0134438642b3fbbe2a57
  - Merge "chore: set chart-testing project wide to 3.11.0"
  - chore: set chart-testing project wide to 3.11.0

    This makes it so that 3.11.0 is the version used consistently and sets
    it at the top-level.

    Change-Id: I8a7c799c0aa1f57a1dbfa7a2d7a5c06a67e54749
    Signed-off-by: Doug Goldstein <cardoe@cardoe.com>

diff --git a/openstack-helm b/openstack-helm
index 800b6788da000fe8f4d7bdf9536820cae71d57e6..3faddf006a688ad4bece0134438642b3fbbe2a57 160000 (submodule)
--- a/openstack-helm
+++ b/openstack-helm
@@ -1 +1 @@
-Subproject commit 800b6788da000fe8f4d7bdf9536820cae71d57e6
+Subproject commit 3faddf006a688ad4bece0134438642b3fbbe2a57