tidy integration test workflow (#1094)

* do integration test on 1.11

* No need to check against 1.12.0 as it's no longer the case

Author: penelopeysm

.github/workflows/IntegrationTest.yml

@@ -43,8 +43,6 @@ jobs:
 
       - name: Load this and run the downstream tests
         shell: julia --color=yes --project=downstream {0}
-        # Don't test Turing.jl on 1.12.0, it's broken because of Libtask
-        if: ${{ !(steps.julia-version.outputs.julia == '1.12.0' && matrix.package.repo == 'Turing.jl') }}
         run: |
           using Pkg
           try