Make workflows use a newer python version

Author: angelofenoglio

.github/workflows/release-pypi-build-push-package.yml

@@ -14,7 +14,7 @@ jobs:
 
       - uses: actions/setup-python@v2
         with:
-          python-version: '3.9'
+          python-version: '3.11'
 
       - name: Install Poetry
         run: |

.github/workflows/release-pypi-build-push-test-package.yml

@@ -18,7 +18,7 @@ jobs:
 
       - uses: actions/setup-python@v2
         with:
-          python-version: '3.9'
+          python-version: '3.11'
 
       - name: Install Poetry
         run: |