Summary:
Original commit d8e4d30d5fd5cefa8b3445910499f1e26b12e387
Fix the query to fetch  prometheus metrics in support bundle

Test Plan: Verified that the prometheus metrics are present in support bundle  after this change.

Reviewers: skurapati

Reviewed By: skurapati

Subscribers: yugaware, skurapati

Differential Revision: https://phorge.dev.yugabyte.com/D39090