Install twine into a virtual env.

.gitlab-ci.yml

@@ -118,6 +118,8 @@ release python package:
   dependencies:
     - build python package
   script:
+    - python -m venv .venv
+    - source .venv/bin/activate
     - python -m pip install twine
     - TWINE_PASSWORD=${CI_JOB_TOKEN} TWINE_USERNAME=gitlab-ci-token python -m twine upload --repository-url ${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/packages/pypi infra/dist/*
   rules: