Update CI constraints

.gitlab-ci.yml

@@ -8,4 +8,5 @@ variables:
   CONTAINER_RELEASE_IMAGE: $CI_REGISTRY/docker/python3.5-ci:latest
 
 include:
-  - remote: https://git.unistra.fr/docker/template/-/raw/main/scan.gitlab-ci.yml
+  - project: docker/template
+    file: docker-scan.gitlab-ci.yml

Dockerfile

@@ -8,5 +8,6 @@ RUN set -ex \
     && apt-get install -y curl build-essential python3-dev gettext make \
     && rm -rf /var/lib/apt/lists/* \
     && echo "[global]\ntrusted-host=repodipory.u-strasbg.fr" > /etc/pip.conf \
+    && pip install --upgrade pip \
     && pip install tox sphinx