ci: sort build configuration output

Co-authored-by: Albert Y <76888457+filterpaper@users.noreply.github.com>

.github/workflows/build-user-config.yml

@@ -100,7 +100,7 @@ jobs:
           west build -s zmk/app -b ${{ matrix.board }} -- -DZMK_CONFIG=${GITHUB_WORKSPACE}/${{ inputs.config_path }} ${{ steps.variables.outputs.extra-cmake-args }} ${{ matrix.cmake-args }}
 
       - name: ${{ steps.variables.outputs.display-name }} Kconfig file
-        run: cat build/zephyr/.config | grep -v "^#" | grep -v "^$"
+        run: cat build/zephyr/.config | grep -v "^#" | grep -v "^$" | sort
       
       - name: Rename artifacts
         run: |