Fix CI

.gitlab-ci.yml

@@ -53,13 +53,14 @@ docs:
   stage: docs
   script:
     - |
-      julia --project=docs -e '
+      julia -e '
         using Pkg
         Pkg.update()
         Pkg.Registry.add(RegistrySpec(url = "https://git.km3net.de/common/julia-registry"))'
     - |
       julia --project=docs -e '
         using Pkg
+        Pkg.update()
         Pkg.develop(PackageSpec(path=pwd()))
         Pkg.instantiate()
         using Documenter: doctest