use pyinstaller 4.3

.github/workflows/release_win.yml

@@ -23,7 +23,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip setuptools
         pip install -r requirements.txt
-        pip install PyInstaller==4.0
+        pip install PyInstaller==4.3
     - name: Build binary
       run: |
         pyinstaller --onefile -n nanovna-saver.exe nanovna-saver.py