update pyinstaller version

Author: jopohl

.github/workflows/ci.yml

@@ -84,7 +84,7 @@ jobs:
           
             pip install pyaudio
           fi
-          pip install twine setuptools pytest pytest-xvfb pytest-cov pytest-faulthandler six appdirs packaging pyinstaller!=4.9
+          pip install twine setuptools pytest pytest-xvfb pytest-cov pytest-faulthandler six appdirs packaging pyinstaller
           python -c "import tempfile, os; open(os.path.join(tempfile.gettempdir(), 'urh_releasing'), 'w').close()"
         shell: bash
         env: