[ci] format in addition to lint on style workflow (#72)

* add ruff formatter to ci workflow

* ci: rename lint workflow/job to style

* ci: rename lint => style workflow file

Author: bdewilde

.github/workflows/lint.yml .github/workflows/style.yml.github/workflows/lint.yml renamed to .github/workflows/style.yml

@@ -1,10 +1,10 @@
-name: lint
+name: style
 
 on:
   pull_request:  # any pull request
 
 jobs:
-  lint:
+  style:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
@@ -20,7 +20,11 @@ jobs:
           files: |
             **.py
             **.ipynb
-      - name: Check style
+      - name: Run linter
         if: steps.changed-files.outputs.any_changed == 'true'
         run: |
           uv tool run ruff check ${{ steps.changed-files.outputs.all_changed_files }}
+      - name: Run formatter
+        if: steps.changed-files.outputs.any_changed == 'true'
+        run: |
+          uv tool run ruff format --check ${{ steps.changed-files.outputs.all_changed_files }}