Replaced apt-get by apt. Removed option --allow-unauthenticated

.gitlab-ci.yml

@@ -9,8 +9,8 @@ build-package:
   stage: build
   script:
 #  Uncomment to install dependencies
-#    - apt-get update
-#    - apt-get -y --allow-unauthenticated install iri-<package_name>-dev
+#    - apt update
+#    - apt -y install iri-<package_name>-dev
     - mkdir -pv build
     - cd build
     - cmake -D CMAKE_BUILD_TYPE=RELEASE -DCPACK_PACKAGE_VERSION=$CI_COMMIT_TAG ..