Update Python versions for tests and wheels.

Removed 2.7, 3.5, 3.6, added 3.11, 3.12.

.github/workflows/test.yml

@@ -10,22 +10,20 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['2.7', '3.5', '3.6', '3.7', '3.8', '3.9']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
         tensorflow: ['tensorflow']
         # the implementation for scipy.ndimage changed in SciPy 1.6.0,
         # causing some of the tests to fail
-        scipy: ['scipy<=1.5.4']
+        scipy: ['scipy']
 
         include:
-          # run one test with an older tensorflow version
-          - python-version: '3.6'
-            tensorflow: 'tensorflow==1.15'
+          # run an experiment with an old scipy.ndimage:
+          # the implementation for scipy.ndimage changed in SciPy 1.6.0,
+          # so the output will not match in newer versions
+          - python-version: '3.7'
+            tensorflow: tensorflow
             scipy: 'scipy<=1.5.4'
 
-          # old scipy is not supported in Python 3.10
-          - python-version: '3.10'
-            tensorflow: tensorflow
-            scipy: 'scipy'
 
     steps:
       - uses: actions/checkout@v3

.github/workflows/wheels.yml

@@ -21,7 +21,8 @@ jobs:
           - ["cp38", "3.8"]
           - ["cp39", "3.9"]
           - ["cp310", "3.10"]
-          - ["cp311", "3.11.0-alpha - 3.11.0"]
+          - ["cp311", "3.11"]
+          - ["cp312", "3.12"]
 
     steps:
       - uses: actions/checkout@v3