Add back in testing python versions 3.11 and 3.12, change to linting …

…with black.

.github/workflows/tests.yml

@@ -8,7 +8,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ["3.9", "3.10"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
 
     steps:
     - name: Check out the repository
@@ -23,17 +23,17 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install -r requirements.txt
-        pip install pylint
+        pip install black
         pip install pytest pytest-cov
         pip install .
 
     - name: List repository root files (debug)
       run: |
         ls -al
 
-    - name: Lint with Pylint
+    - name: Lint with black
       run: |
-        pylint eclipsebin
+        black --check --verbose .
 
     - name: Run tests with pytest
       run: |