ci: use python poetry for change versions

.github/change-versions.sh

@@ -14,3 +14,5 @@ sed -i -e "/^wmill =/s/= .*/= \">=$VERSION\"/" Pipfile
 sed -i -e "/^wmill_pg =/s/= .*/= \">=$VERSION\"/" Pipfile
 
 sed -i -zE "s/name = \"windmill\"\nversion = \"[^\"]*\"\\n(.*)/name = \"windmill\"\nversion = \"$VERSION\"\\n\\1/" backend/Cargo.lock
+
+cd python-client/wmill && poetry lock

.github/workflows/change-versions.yml

@@ -7,6 +7,7 @@ on:
 jobs:
   change_version:
     runs-on: ubuntu-latest
+    container: docker pull fnndsc/python-poetry
     steps:
       - uses: actions/checkout@v3
       - name: Change versions