update build.yml

Author: powenn

.github/workflows/build.yml

@@ -19,7 +19,7 @@ jobs:
           sudo apt-get update
           sudo apt-get install python3-pyqt5 python3-pip
           python3 -m pip install --upgrade pip
-          pip3 install Pyside2 pyinstaller==3.6 pyqt5-plugins requests
+          pip3 install Pyside2 pyinstaller pyqt5-plugins requests
       - name: Build
         run: |
           chmod +x build.sh