Update create-package.sh (apache#2019)

### What changes were proposed in this pull request?
Update create-package.sh

### Why are the changes needed?
I renamed `DISCLAIMER-WIP` to `DISCLAIMER`.

### Does this PR introduce _any_ user-facing change?
No.

### How was this patch tested?
No need.

Author: jerqi

release/create-package.sh

@@ -85,7 +85,7 @@ package_binary() {
   tar -zxf $BIN_ORIGIN_NAME
   cp "${PROJECT_DIR}/LICENSE-binary" "${BIN_DIR_NAME}/LICENSE"
   cp "${PROJECT_DIR}/NOTICE-binary" "${BIN_DIR_NAME}/NOTICE"
-  cp "${PROJECT_DIR}/DISCLAIMER-WIP" ${BIN_DIR_NAME}
+  cp "${PROJECT_DIR}/DISCLAIMER" ${BIN_DIR_NAME}
   cp -r "${PROJECT_DIR}/licenses-binary" "${BIN_DIR_NAME}/licenses"
   tar -zcf $BIN_TGZ_FILE $BIN_DIR_NAME