Try this

.gitlab-ci.yml

@@ -10,7 +10,8 @@ build:
   variables:
     GIT_STRATEGY: clone
   before_script:
-    - export DYLD_FALLBACK_LIBRARY_PATH=/usr/local/lib:/lib:/usr/lib
+    - export DYLD_FALLBACK_LIBRARY_PATH=/usr/local/lib:/lib:/usr/lib64
+    - export LD_LIBRARY_PATH=/usr/lib64:$LD_LIBRARY_PATH
     - conda create -p /home/gitlab-runner/.conda/envs/gitlabci -c conda-forge micromamba <<< "n"
     - conda activate /home/gitlab-runner/.conda/envs/gitlabci
     - micromamba create --file environment.yml -c conda-forge -p /home/gitlab-runner/.conda/envs/mambaenv -y --no-rc

environment.yml

@@ -33,7 +33,7 @@ dependencies:
 #psyplot
   - psy-maps
   - psyplot
-  - geopandas
+  - geos
 #intake pangeo
   - gcsfs
   - pip: