FIX: Pin black version to 24.8.0 in GitHub Actions CI

- Changed from 'black>=22.0.0' to 'black==24.8.0'
- Ensures CI uses the same black version as local development
- Should resolve formatting inconsistencies between local and CI environments

Author: petermr

.github/workflows/ci.yml

@@ -40,7 +40,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install -r requirements.txt
-        pip install pytest pytest-cov flake8 "black>=22.0.0" isort
+        pip install pytest pytest-cov flake8 "black==24.8.0" isort
         
     - name: Install pygetpapers in development mode
       run: |