Use new Gitlab artifacts download URL

.gitlab-ci.yml

@@ -26,7 +26,7 @@ build:
     - cvmfs
   stage: build
   script:
-    - curl -o artifacts.zip --location ${CI_PROJECT_URL}/builds/artifacts/master/download?job=${CI_JOB_NAME}
+    - curl -o artifacts.zip --location ${CI_PROJECT_URL}/-/jobs/artifacts/master/download?job=${CI_JOB_NAME}
     - unzip -q artifacts.zip '.ccache/*' || true
     - /cvmfs/sft.cern.ch/lcg/releases/ccache/3.3.4-e92e5/${BINARY_TAG}/bin/ccache -z
     - echo 'set(CMAKE_USE_CCACHE ON CACHE BOOL "")' >> cache_preload.cmake
@@ -47,7 +47,7 @@ build-gcc62:
     BINARY_TAG: x86_64-centos7-gcc62-opt
     BUILDDIR: build-gcc62
   script:
-    - curl -o artifacts.zip --location ${CI_PROJECT_URL}/builds/artifacts/master/download?job=${CI_JOB_NAME}
+    - curl -o artifacts.zip --location ${CI_PROJECT_URL}/-/jobs/artifacts/master/download?job=${CI_JOB_NAME}
     - unzip -q artifacts.zip '.ccache/*' || true
     - /cvmfs/sft.cern.ch/lcg/releases/ccache/3.3.4-e92e5/${BINARY_TAG}/bin/ccache -z
     - echo 'set(CMAKE_USE_CCACHE ON CACHE BOOL "")' >> cache_preload.cmake
@@ -65,7 +65,7 @@ test_headers:
     - cvmfs
   stage: test
   script:
-    - curl -o artifacts.zip --location ${CI_PROJECT_URL}/builds/artifacts/master/download?job=${CI_JOB_NAME}
+    - curl -o artifacts.zip --location ${CI_PROJECT_URL}/-/jobs/artifacts/master/download?job=${CI_JOB_NAME}
     - unzip -q artifacts.zip '.ccache/*' || true
     - /cvmfs/sft.cern.ch/lcg/releases/ccache/3.3.4-e92e5/${BINARY_TAG}/bin/ccache -z
     - export LCG_release_area=${LCG_release_area}:/cvmfs/lhcb.cern.ch/lib/lcg/external