chore(ci): rename codesniffer workflows to linter

- Rename ShellCheck workflow to linter-shell
- Rename Ruff workflow to linter-python
- Update workflow calls and dependencies accordingly

https://chatgpt.com/share/693ed61a-7490-800f-aef1-fce845e717a2

.github/workflows/linter-python.yml

@@ -0,0 +1,23 @@
+name: Ruff (Python code sniffer)
+
+on:
+  workflow_call:
+
+jobs:
+  linter-python:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+
+      - name: Install ruff
+        run: pip install ruff
+
+      - name: Run ruff
+        run: |
+          ruff check src tests