Add x mod

Add the possibility to use artifacts from other branches for cross module dependencies.

.gitlab/ci/build.gitlab-ci.yml

@@ -12,7 +12,6 @@ build:ubuntu_cpp:
     - DEPENDENCY_NAME="aidge_core"
     - DEPENDENCY_JOB="build:ubuntu_cpp"
     - !reference [.download_dependency, script]
-
     # Build current module
     - export CMAKE_PREFIX_PATH=../install_cpp
     - mkdir -p build_cpp