Update git submodules

* Update docs/submodules/bottlenecks from branch 'stable/euphrates'
  - Harmonization of the naming of the titeles of the testing project guides

    Change-Id: I3e4febb08afa58689a9d43e1083ba2a7cd16fd22
    Signed-off-by: Morgan Richomme <morgan.richomme@orange.com>
    (cherry picked from commit 11f24bf3166fec3dbc494453b08c0c4d2da6ad44)

diff --git a/docs/submodules/bottlenecks b/docs/submodules/bottlenecks
index 1737fdc..0e74f32 160000 (submodule)
--- a/docs/submodules/bottlenecks
+++ b/docs/submodules/bottlenecks
@@ -1 +1 @@
-Subproject commit 1737fdc1ef75e3955b46f3d070f2abb80f3d87f1
+Subproject commit 0e74f32f9f78fa60ada9c2cb6a9d609e64537a5f