Specify build tag for gitlab-ci jobs

.gitlab-ci.yml

@@ -9,6 +9,8 @@ variables:
 
 build_development:
   stage: build
+  tags:
+    - build
   only:
     - development
   script:
@@ -21,6 +23,8 @@ build_development:
 
 build_release:
   stage: build
+  tags:
+    - build
   only:
     - tags
   except: