rename job

.gitlab-ci.yml

@@ -6,7 +6,7 @@ stages:
   - build
   - pages
 
-build:
+cmake:
   stage: build
   artifacts:
     name: cpp_tools_build
@@ -22,7 +22,7 @@ build:
 doc:
   stage: build 
   dependencies:
-    - build 
+    - cmake
   artifacts:
     name: cpp_tools_doc
     expire_in: 1 day