fix: add lock check to workflow

.github/workflows/common_checks.yaml

@@ -37,6 +37,8 @@ jobs:
         virtualenvs-in-project: false
         virtualenvs-path: ~/my-custom-path
         installer-parallel: true
+    - name: Check if dependencies can be locked
+      run: poetry lock
     - name: Poetry install requirements and check they can be locked
       run: poetry install --all-extras --no-interaction -vvv