Update publish.yml

Author: dciborow

.github/workflows/publish.yml

@@ -10,13 +10,20 @@ on:
       workdir:
         type: string
         default: src
+      python-version: 
+        type: string
+        default: 3.11.2
 
 jobs:
   publish:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
 
+      - uses: actions/setup-python@v4.6.0
+        with:
+          python-version: ${{ inputs.python-version }}
+
       - name: Publish Snapshot to TestPyPi
         uses: microsoft/pyaction@0.3.16
         continue-on-error: true