CI: try to fix include path

Change-Id: Ifd19641ebd17ea4c42b50dcf2e871643891e399e
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index bb98f0f..0b49c41 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,5 +1,5 @@
 include:
-  - local: './ci/install-rkorapclient-ci.yml'
+  - local: ci/install-rkorapclient-ci.yml
 
 build-rkorapclient-on-stable:
   extends: .install-rkorapclient