Fix path to and permission of CI script

.gitlab-ci.yml

@@ -17,7 +17,7 @@ RebaseCheck:
     # Check if a rebase is needed
     # If a rebase is needed stop immediately
     - apk update && apk add git bash
-    - scripts/connect_upstream_repo.sh $CI_MERGE_REQUEST_PROJECT_URL
+    - ci_scripts/connect_upstream_repo.sh $CI_MERGE_REQUEST_PROJECT_URL
     - git fetch upstream
     - hash1=$(git show-ref upstream/master | cut -f1 -d' ')
     - hash2=$(git merge-base upstream/master origin/$CI_MERGE_REQUEST_SOURCE_BRANCH_NAME)
@@ -48,7 +48,7 @@ LinearHistCheck:
     # Check if the history introduced by the MR is linear (no branch loop in fork)
     # If not linear stop immediately
     - apk update && apk add git bash
-    - scripts/connect_upstream_repo.sh $CI_MERGE_REQUEST_PROJECT_URL
+    - ci_scripts/connect_upstream_repo.sh $CI_MERGE_REQUEST_PROJECT_URL
     - git fetch upstream
     - count=$(git rev-list --min-parents=2 --count upstream/master..HEAD)
     - echo "${count}"