Add 8.0.x integration job

Author: stevejgordon

.github/workflows/integration-jobs.yml

@@ -22,6 +22,7 @@ jobs:
       fail-fast: false
       matrix:
         stack_version: [
+          '8.0.1',
           '8.1.3',
           '8.2.3',
           '8.3.3',