updating workflow

Author: snhobbs

.github/workflows/pyinstaller-package.yml

@@ -19,13 +19,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: actions/setup-python@v5
       with:
-        python-version: '3.10'
-      cache: 'pip'
-
-    - name: Check Python Version
-      run: |
-        python --version
-        which python
+        python-version: '3.9'
 
     - name: Install
       run: |