Add support, testing for Python 3.12

This has been out with some time.

Signed-off-by: Stephen Finucane <stephen@that.guru>

.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 3.12
         uses: actions/setup-python@v4
         with:
-          python-version: "3.11"
+          python-version: "3.12"
       - 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: ["3.8", "3.9", "3.10", "3.11", "3.12"]
     steps:
       - name: Checkout source code
         uses: actions/checkout@v3
@@ -48,10 +48,10 @@ jobs:
         # We need history for release notes
         with:
           fetch-depth: 0
-      - name: Set up Python 3.11
+      - name: Set up Python 3.12
         uses: actions/setup-python@v4
         with:
-          python-version: "3.11"
+          python-version: "3.12"
       - name: Install dependencies
         run: python -m pip install tox
       - name: Build docs (via tox)
@@ -73,10 +73,10 @@ jobs:
         # We need history to build the package
         with:
           fetch-depth: 0
-      - name: Set up Python 3.11
+      - name: Set up Python 3.12
         uses: actions/setup-python@v4
         with:
-          python-version: "3.11"
+          python-version: "3.12"
       - name: Install dependencies
         run: python -m pip install build
       - name: Build a binary wheel and a source tarball

releasenotes/notes/python-3.12-support-f2ed1dc438bd42ee.yaml

@@ -0,0 +1,4 @@
+---
+features:
+  - |
+    Python 3.12 is now officially supported.

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 minversion = 2.0
-envlist = py{38,39}-click{7,8,8-async},py{310,311}-click{8,8-async},style,docs
+envlist = py{38,39}-click{7,8,8-async},py{310,311,312}-click{8,8-async},style,docs
 
 [testenv]
 setenv =