using apt-get

.gitlab-ci.yml

 pages:
   script:
-  - apk update
-  - apk upgrade
-  - apk add make
+  - apt-get update
+  - apt-get upgrade
+  - apt-get -y install make
   - conda env create -f ci/requirements_py311.yml
   - source activate pyicon_py311
   - pip install -e .