actions: attempt 3

Author: ThisAMJ

.github/workflows/CI.yaml

@@ -64,7 +64,7 @@ jobs:
           cache: 'true'
           cache-key-prefix: 'cache-qt'
           version: '5.15.2'
-          arch: 'win32_msvc2019_64'
+          arch: 'win32_msvc2019'
           dir: ${{ runner.temp }}/qt
           setup-python: 'false'
       - name: Cache QtMsBuild tools