tell gh action where to find the west.yml

Author: halfdane

.github/workflows/build.yml

@@ -6,4 +6,4 @@ jobs:
     uses: zmkfirmware/zmk/.github/workflows/build-user-config.yml@main
     with:
       build_matrix_path: ./compile_tests/build.yaml
-      config_path: ./compile_tests
+      config_path: ./compile_tests/config