ci: replace node semantic-release with python-semantic-release

.github/workflows/validate.yaml

@@ -25,9 +25,6 @@ jobs:
     if: github.ref == 'refs/heads/main' && success()
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
+      - uses: python-semantic-release/python-semantic-release@v9.8.9
         with:
-          node-version: 22
-      - run: npx semantic-release --yes
-        env:
-          GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
+          github_token: ${{ secrets.GH_TOKEN }}

.gitignore

@@ -4,10 +4,6 @@
 .pytest_cache/
 __pycache__/
 
-package-lock.json
-package.json
-node_modules/
-
 *.pyc
 
 config/