ci: drop redundant Python test workflow dependencies (#340)

- Drop pip, setuptools, twine, wheel installations before 'Run tests' step in test workflow
- Ignore *.egg-info/ build artefact in .gitignore
- Use long option names in workflows such as --requirement and --editable

.github/workflows/release-pypi.yaml

@@ -35,4 +35,4 @@ jobs:
       - name: Publish package distributions to PyPI
         uses: pypa/gh-action-pypi-publish@release/v1
         with:
-          packages-dir: python/dist
+          packages-dir: python/dist

.github/workflows/test-python.yml

@@ -50,9 +50,8 @@ jobs:
         run: python --version
       - name: Install Python package dependencies
         run: |
-          python -m pip install twine pip setuptools wheel
-          pip install -r requirements.txt
-          pip install -e .
+          pip install --requirement requirements.txt
+          pip install --editable .
       - name: Run tests
         run: pytest
       - name: Run Acceptance Tests

python/.gitignore

@@ -9,3 +9,4 @@ venv/
 .tox/
 .coverage
 .coverage.*
+*.egg-info/