Merge pull request #5165 from thaJeztah/gha_test_27

gha: e2e: test against v27.0 release candidates

.github/workflows/e2e.yml

@@ -28,6 +28,7 @@ jobs:
           - alpine
           - debian
         engine-version:
+          - 27-rc # testing
           - 26.1  # latest
           - 25.0  # latest - 1
           - 23.0  # mirantis lts