test against master branch

Author: amirgon

.github/workflows/unix_port.yml

@@ -18,7 +18,7 @@ jobs:
     - name: Clone lv_micropython
       run: |
         git clone https://github.com/lvgl/lv_micropython.git .
-        git checkout arch/drivers
+        git checkout master
     - name: Initialize lv_bindings submodule
       run: git submodule update --init --recursive lib/lv_bindings
     - name: Update Unix port submodules