Update .gitlab-ci.yml

.gitlab-ci.yml

@@ -24,7 +24,7 @@ stages:
     - cat /etc/issue
     - export DEBEMAIL="gitlab_ci@domain.com"
     - export DEBFULLNAME="Gitlab Runner" 
-    - echo "deb http://deb.debian.org/debian bullseye-backports main" > /etc/apt/sources.list 
+    - echo "deb http://deb.debian.org/debian bullseye-backports main" >> /etc/apt/sources.list 
     - apt-get update && apt-get install -y build-essential python3-all python3-dev python3-venv python3-wheel python3-setuptools python3-pip
     - apt-get install -y binutils lintian debhelper dh-make devscripts dh-python pbuilder
     - apt-get install -y fakeroot dpkg-dev