fix per sdk pypi workflow (#1454)

* python3.12 -> python3.11?

* test poetry build works

* add back the publishing

---------

Co-authored-by: ani <[email protected]>

Author: anihamde

.github/workflows/pypi-express-relay-utils.yml

@@ -13,7 +13,7 @@ jobs:
       - uses: actions/setup-python@v2
       - name: Install dependencies
         run: |
-          python3 -m pip install --upgrade poetry
+          python3.11 -m pip install --upgrade poetry
           poetry install
         working-directory: "express_relay/sdk/python/express_relay"
       - name: Build and publish