add debug prints from before_script to after_script in build-master

.gitlab-ci.yml

@@ -30,6 +30,9 @@ build-master:
   <<: *build-package 
   stage: build
   after_script:
+    - echo $ARCH
+    - echo $VERSION
+    - echo $PKGNAME
     - mkdir build
     - ls ../
     - mv ../${PKGNAME}_${VERSION}_${ARCH}.deb build/