Update CI.yml

Co-Authored-By: Claudio Moroni <43729990+ClaudMor@users.noreply.github.com>
Co-Authored-By: Pietro Monticone <38562595+pitmonticone@users.noreply.github.com>

Author: 3 people

.github/workflows/CI.yml

@@ -19,6 +19,7 @@ jobs:
       matrix:
         version:
           - '1'
+          - '1.8'
           #- 'nightly'
         os:
           - ubuntu-latest