Update option from deprecated format to output-format

See astral-sh/ruff#7984

Author: skwashd

.github/workflows/ci.yaml

@@ -23,12 +23,12 @@ jobs:
 
       - name: ruff
         run: |
-          ruff --format=github .
+          ruff --output-format=github .
 
       - name: black
         run: |
           black --check .
           
       - name: pytest
         run: |
-          python -m pytest --capture=no tests/
+          python -m pytest --capture=no tests/