Add mtk_build_examples.sh to CI

Author: cccclai

.github/workflows/pull.yml

@@ -711,6 +711,8 @@ jobs:
         PYTHON_EXECUTABLE=python bash .ci/scripts/setup-mediatek-deps.sh
         PYTHON_EXECUTABLE=python bash .ci/scripts/build-mediatek-sdk.sh
         PYTHON_EXECUTABLE=python bash .ci/scripts/test_model.sh "mv3" "buck2" "mediatek"
+
+        PYTHON_EXECUTABLE=python bash examples/mediatek/mtk_build_examples.sh
         # placeholder for mediatek to add more tests
 
   test-openvino-linux: