Drop Python < 3.9 support

Signed-off-by: Stephen Finucane <[email protected]>

Author: stephenfin

.github/workflows/ci.yaml

@@ -10,10 +10,10 @@ jobs:
     steps:
       - name: Checkout source code
         uses: actions/checkout@v3
-      - name: Set up Python 3.11
+      - name: Set up Python 3.13
         uses: actions/setup-python@v4
         with:
-          python-version: "3.11"
+          python-version: "3.13"
       - name: Install dependencies
         run: python -m pip install tox
       - name: Run tox
@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python: ["3.8", "3.9", "3.10", "3.11"]
+        python: ["3.9", "3.10", "3.11", "3.12", "3.13"]
     steps:
       - name: Checkout source code
         uses: actions/checkout@v3
@@ -52,10 +52,10 @@ jobs:
         # We need history to build the package
         with:
           fetch-depth: 0
-      - name: Set up Python 3.11
+      - name: Set up Python 3.13
         uses: actions/setup-python@v4
         with:
-          python-version: "3.11"
+          python-version: "3.13"
       - name: Install dependencies
         run: python -m pip install build
       - name: Build a binary wheel and a source tarball

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.black]
 line-length = 88
-target-version = ['py38']
+target-version = ['py39']
 skip-string-normalization = true
 exclude = '''
 (

setup.cfg

@@ -24,7 +24,7 @@ classifiers =
     Topic :: Documentation
     Topic :: Documentation :: Sphinx
     Topic :: Utilities
-python_requires = >=3.8
+python_requires = >=3.9
 keywords = sphinx
 
 [files]