Bump helm chart version as per last release 2.8.2

[josvazg]

Summary

Helm Chart version needed a bump

Proof of Work

N/A

Checklist

• Have you linked a jira ticket and/or is the ticket in the title?
• Have you checked whether your jira ticket required DOCSP changes?
• Have you checked for release_note changes?
• Have you signed our CLA?

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