[BUG] Plugin helpers fix related to fs promises module

In Node v10, there was no dedicated module for fs/promises. Causing the plugin helpers to fail while building out plugins. Solved by importing promises from fs then using the desired methods. Issue Resolved: opensearch-project#2485 Signed-off-by: Kawika Avilla <[email protected]>
kavilla · Oct 3, 2022 · 4cc430a · 4cc430a
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -35,6 +35,8 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
 ### 🐛 Bug Fixes
 
+* []
+
 ### 🚞 Infrastructure
 
 ### 📝 Documentation

diff --git a/packages/osd-plugin-helpers/src/tasks/update_versions.ts b/packages/osd-plugin-helpers/src/tasks/update_versions.ts
@@ -4,11 +4,13 @@
  */
 
 // @ts-ignore
-import { readFile, writeFile } from 'fs/promises';
+import { promises } from 'fs';
 import path from 'path';
 import { createFailError } from '@osd/dev-utils';
 import { FileUpdateContext, ObjectUpdateContext, VersionContext } from '../contexts';
 
+const { readFile, writeFile } = promises;
+
 export async function updateVersions({
   log,
   sourceDir,