Update Python versions in the CI workflow. (#590)

* Update Python versions in the ci workflow.

* Bump `actions/setup-python` to v4.

* Pin kombu on Python 3.12. Workaround for celery/kombu#1600

* Decouple "-dev" suffix from version list.

* Update release matrix strategy.

Co-authored-by: Hugo van Kemenade <hugovk@users.noreply.github.com>

* Comment out 3.12 until it's fixed.

---------

Co-authored-by: Jason R. Coombs <jaraco@jaraco.com>
Co-authored-by: Mariatta Wijaya <Mariatta@users.noreply.github.com>
Co-authored-by: Hugo van Kemenade <hugovk@users.noreply.github.com>

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ["3.9", "3.10"]
+        python-version: ["3.9", "3.10", "3.11"]  # see #590 for "3.12"
 
     steps:
       - uses: actions/checkout@v3
@@ -26,6 +26,7 @@ jobs:
       - uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
+          allow-prereleases: true
       - run: python3 -m pip install -U -r dev-requirements.txt
       - run: pytest --cov=. --cov-report=xml
       - uses: codecov/codecov-action@v3

requirements.txt

@@ -7,3 +7,6 @@ redis==4.5.4
 celery==5.2.7
 sentry-sdk==1.21.1
 click==8.1.3
+
+# workaround for celery/kombu#1600
+kombu==5.3.0b2; python_version>="3.12"