test with python 3.11

.github/workflows/tests.yml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.4", "3.5", "3.6", "3.7", "3.8", "3.9", "3.10", "pypy3"]
+        python-version: ["3.4", "3.5", "3.6", "3.7", "3.8", "3.9", "3.10", "3.11", "pypy3"]
 
     steps:
     - uses: actions/checkout@v2
@@ -42,6 +42,6 @@ jobs:
       run: |
         make test
 
-    - name: Test autogeneration of man pages, bash/zsh completion, etc
+    - name: Test autogeneration of man pages, bash/zsh/fish completion, etc
       run: |
         make