Merge pull request #538 from kazu-yamamoto/ci

using latest ubuntu

Author: kazu-yamamoto

.github/workflows/haskell.yml

@@ -12,7 +12,7 @@ env:
 jobs:
   autoconf:
     runs-on: ubuntu-latest
-    container: ubuntu:21.04
+    container: ubuntu:22.10
 
     steps:
     - uses: actions/checkout@v3