ci(action): update poetry installation

Author: Vincent Vatelot

.github/workflows/pr_validation.yml

@@ -1,4 +1,4 @@
-name: "Validationg PR"
+name: "Validate PR"
 
 on:
   pull_request:

.github/workflows/quality_check.yml

@@ -19,8 +19,7 @@ jobs:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Install poetry and plugins
         run: |
-          curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python -
-          source $HOME/.poetry/env
+          curl -sSL https://install.python-poetry.org | python -
           poetry config virtualenvs.create false
           poetry self add poetry-multiproject-plugin
           poetry self add poetry-polylith-plugin