version bump to 1.3.9

[jordarlu]

Description

version bump to 1.3.9

Issues Resolved

post task for release 1.3.9 https://github.com/opensearch-project/opensearch-build/issues/3195

Check List

• [x] Commits are signed per the DCO using --signoff

For any changes to files within Helm chart directories:

• [x] Helm chart version bumped
• [x] Helm chart CHANGELOG.md updated to reflect change

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license. For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[prudhvigodithi]

Hey @TheAlgo thanks I have updated the description, please check.

[jordarlu]

opensearch-project/opensearch-build#3195

Thank you. @prudhvigodithi and @TheAlgo ,, @TheAlgo , pls let me know if any other comments .,, thanks!!

[gaiksaya]

Please rebase to 1 commit @jordarlu Thanks!

[prudhvigodithi]

Hey @TheAlgo can you please check this PR again, Not able to merge as it as requested changes from you. Thank you