Replaced apt for apt-get. Added the installation of libxerces-c-dev explicitly

.gitlab-ci.yml

@@ -9,11 +9,12 @@ build-package:
   stage: build
   script:
 #  Uncomment to install dependencies
-#    - apt-get update
-#    - apt-get -y --allow-unauthenticated install iri-<package_name>-dev
-    - apt-get update
-    - apt-get -y --allow-unauthenticated install iri-iriutils-dev
-    - apt-get install -y xsdcxx
+#    - apt update
+#    - apt -y --allow-unauthenticated install iri-<package_name>-dev
+    - apt update
+    - apt -y --allow-unauthenticated install iri-iriutils-dev
+    - apt install -y libxerces-c-dev
+    - apt install -y xsdcxx
     - mkdir -pv build
     - cd build
     - cmake -D CMAKE_BUILD_TYPE=RELEASE -DCPACK_PACKAGE_VERSION=$CI_COMMIT_TAG ..