CI/C: package-win64 needs compile-mex

.gitlab-ci.yml

@@ -152,7 +152,7 @@ test-cerngetdp:
 
 package-win64:
   stage: package
-  needs: ["compile-shared-lib-win64"]
+  needs: ["compile-shared-lib-win64", "compile-mex"]
   image: gitlab-registry.cern.ch/steam/ci-deployer-docker:latest
   script:
     - export RELEASE_NAME=$(expr match "$CI_COMMIT_TAG" '\(.*\)-release$')