use gh cli instead of action for workflow dispatch

.github/workflows/build_aarch64.yml

@@ -22,6 +22,8 @@ jobs:
     steps:
     - name: Setup Python
       uses: actions/setup-python@v4
+      with:
+        python-version: '3.x'
 
     - name: Checkout TinyUSB
       uses: actions/checkout@v3