Use sh to run scripts

.gitlab-ci.yml

@@ -316,7 +316,7 @@ setup-openappstack:
     - ls -la .
     - ls -la ./install
     - source clusters/${CI_COMMIT_REF_SLUG}/.env
-    - install/install-openappstack.sh
+    - sh ./install/install-openappstack.sh
     # TODO: Should also be removed or made up-to-date
     # Show versions of installed apps/binaries
     # - cd ansible
@@ -434,7 +434,7 @@ single-sign-on-helm-release:
   stage: install-apps
   script:
     - *debug_information
-    - install/install-${APP}.sh
+    - sh ./install/install-${APP}.sh
   extends:
     - .ssh_setup
   interruptible: true