Fixing installation of specific pygdal version

.gitlab-ci.yml

@@ -12,9 +12,10 @@ test:
   script:
     - apt-get update
     - apt-get install -y libgdal-dev
-    - python3 setup.py install
+    - pip3 install "pygdal==$(gdal-config --version)"
     - pip3 install -r requirements-test.txt
     - pip3 install -r requirements-dev.txt
+    - pip3 install .
     - flake8
     - mypy .
     - pytest --cov registrar --cov-report term-missing