Update CI scripts (#111)

* Add refs to integration tests (#106)

* Add refs to integration tests

* Update .github/workflows/IntegrationTest.yml

Co-authored-by: Hong Ge <[email protected]>

* Update IntegrationTest.yml (#109)

Co-authored-by: Rik Huijzer <[email protected]>

Author: yebai

.github/workflows/IntegrationTest.yml

@@ -14,8 +14,8 @@ jobs:
       fail-fast: false
       matrix:
         package:
-          - {user: TuringLang, repo: AdvancedPS.jl}
-          - {user: TuringLang, repo: Turing.jl}
+          - {user: TuringLang, repo: AdvancedPS.jl, ref: releases}
+          - {user: TuringLang, repo: Turing.jl, ref: hg/new-libtask2}
 
     steps:
       - uses: actions/checkout@v2