Use a new image for poetry on drone

.drone.yml

@@ -4,9 +4,8 @@ type: docker
 
 steps:
   - name: lint
-    image: python:3.8-slim
+    image: fnndsc/python-poetry
     commands:
-      - pip install poetry
       - poetry install
       - poetry run flake8 .
       - poetry run mypy .
@@ -23,9 +22,8 @@ steps:
         from_secret: docker_password
 
   - name: publish
-    image: python:3.8-slim
+    image: fnndsc/python-poetry
     commands:
-      - pip install poetry
       - poetry publish --build
     environment:
       POETRY_PYPI_TOKEN_PYPI:

renovate.json

@@ -1,4 +1,3 @@
 {
-  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
-  "ignorePaths": [".drone.yml"]
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json"
 }