Upgrade Helm to 7.3.2 and Prometheus to 2.4.3

What does this MR do?

This MR upgrades Helm to 2.11.0 and Prometheus to 2.4.3.

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Documentation created/updated
• Tests added for this feature/bug
• Conforms to the code review guidelines
• Conforms to the merge request performance guidelines
• Conforms to the style guides
• Conforms to the database guides
• Link to e2e tests MR added if this MR has ~"Requires e2 tests" label. See the Test Planning Process.