fix publish-to-pypi workflow

.github/workflows/publish-to-pypi.yml

@@ -3,17 +3,18 @@ name: Publish Python 🐍 distributions 📦 to PyPI
 on:
   release:
     types: [created]
+  workflow_dispatch:
 
 jobs:
   build-n-publish:
     name: Build and publish Python 🐍 distributions 📦 to PyPI
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@master
-    - name: Set up Python 3.7
+    - name: Set up Python 3.11
       uses: actions/setup-python@v1
       with:
-        python-version: 3.7
+        python-version: 3.11
     - name: Install wheel and setuptools
       run: >-
         python -m