ci: update Jet version

Author: mortenpi

.github/workflows/CI.yml

@@ -98,7 +98,7 @@ jobs:
         run: |
           import Pkg
           Pkg.activate("juliahub-jet", shared=true)
-          Pkg.add(name="JET", version="0.9")
+          Pkg.add(name="JET", version="0.11")
           Pkg.develop(path=".")
       - name: "JET.test_package(..., mode=:basic) [informational]"
         run: julia --color=yes --project=@juliahub-jet test/jet.jl