Restore install qt action working

.github/workflows/Linux.yml

@@ -15,14 +15,8 @@ jobs:
     - uses: actions/checkout@v2
       with:
         submodules: true
-    - name: Update pip
-      run: |
-        pip3 install --upgrade pip
     - name: Install Qt
       uses: jurplel/install-qt-action@v2
-      with:
-        aqtversion: '==0.9.5'
-        py7zrversion: '==0.10.1'
     - name: Install dependencies
       run: |
        sudo apt-get install -y mesa-common-dev libglu1-mesa-dev libgmp-dev