Update git submodules

* Update manila-specs from branch 'master'
  to bbefecb5eca6a6c727054e433d095655062ea1f6
  - Merge "Add VirtioFS testing scenarios"
  - Add VirtioFS testing scenarios

    This change adds steps and description to scenario tests related to
    the newly introduced share attachment feature through VirtioFS [1].

    [1] https://specs.openstack.org/openstack/nova-specs/specs/2023.2/approved/libvirt-virtiofs-attach-manila-shares.html

    Change-Id: I3df7c5b1f6c8f5acc5295237a176048e4605dfc7
    Signed-off-by: Carlos da Silva <ces.eduardo98@gmail.com>

diff --git a/manila-specs b/manila-specs
index c0fbe3f61ce7e80166193e8db8651c24afb7e9d8..bbefecb5eca6a6c727054e433d095655062ea1f6 160000 (submodule)
--- a/manila-specs
+++ b/manila-specs
@@ -1 +1 @@
-Subproject commit c0fbe3f61ce7e80166193e8db8651c24afb7e9d8
+Subproject commit bbefecb5eca6a6c727054e433d095655062ea1f6