Update .gitlab-ci.yml

.gitlab-ci.yml

@@ -7,13 +7,14 @@ stages:
 build:
   stage: build
   script:
+    - cd explicit-templates
     - mkdir build
     - cd build
     - cmake ..
     - make
   artifacts:
     paths:
-      - build
+      - explicit-templates/build
 
 # run tests using the binary built before
 test: