updating workflow

Author: snhobbs

.github/workflows/pyinstaller-package.yml

@@ -24,15 +24,15 @@ jobs:
 
     - name: Install
       run: |
-        python3.9 -m pip install --upgrade pip
-        python3.9 -m pip install pyserial
-        python3.9 -m pip install pyinstaller
-        python3.9 -m pip install .
+        python3 -m pip install --upgrade pip
+        python3 -m pip install pyserial
+        python3 -m pip install pyinstaller
+        python3 -m pip install .
 
     - name: Verify Installations
       run: |
-        python3.9 -m pip show isp_programmer
-        python3.9 -m pip show pyserial
+        python3 -m pip show isp_programmer
+        python3 -m pip show pyserial
 
     - name: Make executable
       uses: sayyid5416/pyinstaller@v1