Pin poetry version in ci.yaml

Author: Ronen Hilewicz

.github/workflows/ci.yaml

@@ -55,7 +55,7 @@ jobs:
       - name: Install and configure Poetry
         uses: snok/install-poetry@v1
         with:
-          version: 1.2.1
+          version: 1.8.3
 
       - name: Run lint
         run: |
@@ -125,6 +125,8 @@ jobs:
 
       - name: Install Poetry
         uses: snok/install-poetry@v1
+        with:
+          version: 1.8.3
 
       - name: Build and push the python package
         env: