Include onnxruntime_float16.h in the package. (microsoft#17637)

### Description
Include onnxruntime_float16.h in the package.

### Motivation and Context
This was missed in the recently released 1.16 pkgs (except Nuget).

Author: pranavsharma

tools/ci_build/github/linux/copy_strip_binary.sh

@@ -48,6 +48,7 @@ fi
 cp $SOURCE_DIR/include/onnxruntime/core/session/onnxruntime_c_api.h  $BINARY_DIR/$ARTIFACT_NAME/include
 cp $SOURCE_DIR/include/onnxruntime/core/session/onnxruntime_cxx_api.h  $BINARY_DIR/$ARTIFACT_NAME/include
 cp $SOURCE_DIR/include/onnxruntime/core/session/onnxruntime_cxx_inline.h  $BINARY_DIR/$ARTIFACT_NAME/include
+cp $SOURCE_DIR/include/onnxruntime/core/session/onnxruntime_float16.h  $BINARY_DIR/$ARTIFACT_NAME/include
 cp $SOURCE_DIR/include/onnxruntime/core/providers/cpu/cpu_provider_factory.h  $BINARY_DIR/$ARTIFACT_NAME/include
 cp $SOURCE_DIR/include/onnxruntime/core/session/onnxruntime_session_options_config_keys.h  $BINARY_DIR/$ARTIFACT_NAME/include
 cp $SOURCE_DIR/include/onnxruntime/core/session/onnxruntime_run_options_config_keys.h  $BINARY_DIR/$ARTIFACT_NAME/include