CI: get new location of libR.so via find

Change-Id: I2aadc66a2244bed3ae7520e62920a1e1118dddca
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 033402a..d9ec79c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -13,5 +13,7 @@
     - mkdir -p ~/.config/pip
     - echo -e "[global]\nbreak-system-packages = true" >> ~/.config/pip/pip.conf
     - python3 -m pip install pytest
+    - export LD_LIBRARY_PATH=$(dirname $(find / -name libR.so)):$LD_LIBRARY_PATH
+    - echo $LD_LIBRARY_PATH
     - python3 -m pip install .
     - python3 -m pytest -v