CI: adding python 3.12 to testing

Author: bsipocz

.github/workflows/ci_tests_run_notebooks.yml

@@ -31,14 +31,19 @@ jobs:
             os: ubuntu-latest
 
           - python-version: '3.11'
-            toxenv: py311-test-devdeps
-            name: with Python 3.11 and developer versioned dependencies
+            toxenv: py311-test
+            name: with Python 3.11 and latest released version of dependencies
+            os: ubuntu-latest
+
+          - python-version: '3.12'
+            toxenv: py312-test-devdeps
+            name: with Python 3.12 and developer versioned dependencies
             os: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
 

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 envlist =
-    py{39,310,311}-test{,-oldestdeps,-devdeps,-predeps}{,-buildhtml}
+    py{39,310,311,312}-test{,-oldestdeps,-devdeps,-predeps}{,-buildhtml}
 requires =
     pip >= 19.3.1