Upgrade pip and try again

.github/workflows/ci.yaml

@@ -36,10 +36,11 @@ jobs:
       - name: Install poetry
         run: |
             cd bmh_admin_portal_backend
+            python -m pip install --upgrade pip
             pip --version
             pip install poetry
-            pip install -r lambdas/lambda_authorizer/requirements.txt
             poetry install -vv
+            pip install -r lambdas/lambda_authorizer/requirements.txt
       - name: Run test
         run: |
           cd bmh_admin_portal_backend