ci: add poetry to automated releases

Author: blfpd

.github/workflows/release.yaml

@@ -11,7 +11,7 @@ jobs:
 
     strategy:
       matrix:
-        image: ["black", "kubeval", "pre-commit", "tox"]
+        image: ["black", "kubeval", "poetry", "pre-commit", "tox"]
 
     steps:
       - uses: actions/checkout@v2

poetry/Dockerfile

@@ -7,3 +7,4 @@ RUN apk add --no-cache --virtual .build build-base libffi-dev openssl-dev && \
 
 LABEL name=poetry version=dev \
     maintainer="Jaroslav Sevcik <jaroslav.sevcik@kiwi.com>"
+