need older autobahn for 3.8

Author: meejah

.github/workflows/linux.yml

@@ -14,7 +14,6 @@ jobs:
           - runs-on: ubuntu-20.04
 #          - runs-on: ubuntu-18.04
         python-version:
-          - "3.8"
           - "3.9"
           - "3.10"
           - "3.11"