Use our own docker image for helm install pods

What does this MR do?

Use our own docker image for helm install pods

This will reduce dependencies and failure points during installation. It will also reduce security risks from untrusted dependencies being able to effect all our users

What are the relevant issue numbers?

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 e2e tests label. See the Test Planning Process.