#189 Update workflows to use Python 3.11

Author: astropenguin

.github/workflows/gh-pages.yml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
         with:
-          python-version: "3.10"
+          python-version: "3.11"
       - name: Install project dependencies
         run: pip install poetry && poetry install
       - name: Build docs

.github/workflows/pypi.yml

@@ -15,6 +15,6 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
         with:
-          python-version: "3.10"
+          python-version: "3.11"
       - name: Publish package to PyPI
         run: pip install poetry && poetry publish --build

.github/workflows/tests.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python: ["3.7", "3.8", "3.9", "3.10"]
+        python: ["3.7", "3.8", "3.9", "3.10", "3.11"]
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2