ci: replace poetry with build and twine

.drone.yml

@@ -17,7 +17,7 @@ steps:
         export PATH="$$DRONE_WORKSPACE/.venv/bin:$$PATH"
       - echo $$PATH
       - which pip
-      - pip install black flake8 isort poetry
+      - pip install black build flake8 isort twine
 
   - name: check style
     image: python:3.11-alpine
@@ -31,21 +31,16 @@ steps:
     image: python:3.11-alpine
     commands:
       - *path
-      - poetry build
-    when:
-      event:
-        - pr
-        - push
+      - python -m build
 
-  - name: build and publish
+  - name: publish
     image: python:3.11-alpine
     commands:
       - *path
-      - poetry publish --build --repository git.luj0ga.de
+      - twine upload --repository-url https://git.luj0ga.de/api/packages/kontakt/pypi -u ''
     environment:
-      POETRY_PYPI_TOKEN_git.luj0ga.de:
+      TwINE_PASSWORD:
         from_secret: repo_token
-      POETRY_REPOSITORIES_git.luj0ga.de_URL: https://git.luj0ga.de/api/packages/kontakt/pypi
     when:
       event:
         - tag