Update git submodules

* Update docs/submodules/releng from branch 'master'
  to fbbbfccd6b83c2a47f9a8ac9b71447d01c5e67a2
  - Fix trivy calls

    Trivy remove the exit code option.
    It also takes into account last XtestingCI updates.

    Change-Id: I33c7a0c8651dc1805af1f3f743cd58618b2b7d3c
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index b3ddb78..fbbbfcc 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit b3ddb781e5f0e7cf76b101c12da028578034d96c
+Subproject commit fbbbfccd6b83c2a47f9a8ac9b71447d01c5e67a2