[Python] Add workflow release-pypi.yaml

Also remove the invalid classifier Framework :: Gherkin from
pyproject.toml

.github/workflows/release-pypi.yaml

@@ -0,0 +1,44 @@
+name: Release Python
+
+on:
+  push:
+    branches: [release/*]
+
+jobs:
+  release:
+    name: Release
+    runs-on: ubuntu-latest
+    environment: Release
+    permissions:
+      id-token: write
+    defaults:
+      run:
+        working-directory: python
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Python 3.10
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.10"
+
+      - name: Show Python version
+        run: python --version
+
+      - name: Install Python package dependencies
+        run: |
+          python -m pip install -U pip setuptools wheel twine build
+          pip install -e .
+
+      - name: Build dist
+        run: python -m build .
+
+      - name: Check dist
+        run: twine check dist/*
+
+      - name: Publish package distributions to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          packages-dir: python/dist/
+          skip-existing: true

python/pyproject.toml

@@ -8,7 +8,6 @@ authors = [
 ]
 classifiers = [
   "Development Status :: 4 - Beta",
-  "Framework :: Gherkin",
   "Intended Audience :: Developers",
   "License :: OSI Approved :: MIT License",
   "Operating System :: POSIX",