Update .gitlab-ci.yml file

.gitlab-ci.yml

@@ -23,8 +23,8 @@ build-job:       # This job runs in the build stage, which runs first.
   stage: build
   script:
     - echo "Compiling the code..."
-    - git submodule foreach --recursive git submodule init
-    - git fetch --recurse-submodules
+    - git submodule update --init --recursive
+    - git pull --recurse-submodules
     - cd nanosoc_board/
     - source export_sdk_dirs.sh
     - cd C_Cxx