Update link for Helm chart issue tracker
What does this MR do?
Update link for Helm chart issue tracker
Why was this MR needed?
The issue tracker for the Helm chart was split off into it's own issue tracker.
The 17.0 major release is coming on May 16, 2024! This version brings many exciting improvements to GitLab, but also removes some deprecated features. We are introducing three breaking change windows during which we expect breaking changes to be deployed to GitLab.com. You can read more about it on our blogpost. The third breaking change window begins 2024-05-06 09:00 UTC and ends 2024-05-08 22:00 UTC.