Add build to CI script

.gitlab-ci.yml

@@ -6,17 +6,9 @@ cache:
 stages:
   - publish
 
-before_script:
-  - apt-get update -yqq
-    && apt-get install -yqq --no-install-recommends
-    make
-    g++
-    && apt-get autoremove -yqq --purge
-    && apt-get clean
-
 pypi_publish:
   before_script:
-   - pip install twine
+   - pip install build twine
    - pip install urllib3==1.26.6
   only:
    - main