[CI] Allow attaching with gdb to grpc frontend without having to redeploy

Description

This commit makes the cta-frontend-grpc pod privileged when deployed with the dev values file. Previously, when needing to debug with gdb, we would get the error ptrace: Operation not permitted, forcing us to change this setting locally and redeploy. This change allows developers to attach with gdb.

Checklist

• Documentation reflects the changes made.
• Merge Request title is clear, concise, and suitable as a changelog entry. See our contributing docs

References