ci fix (#703) (#705)

(cherry picked from commit 41a042b)

Signed-off-by: Riya Saxena <riysaxen@amazon.com>
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: opensearch-trigger-bot[bot]

.github/workflows/ci.yml

@@ -6,6 +6,8 @@ on:
   pull_request:
     branches:
       - "*"
+env:
+  ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true
 
 jobs:
   Get-CI-Image-Tag: