ci: fix docker loadtesting

[moabu]

Prepare

• Read PR guidelines
• Read license information

---

Description

Target issue

closes #issue-number-here

Implementation Details

---

Test and Document the changes

• Static code analysis has been run locally and issues have been fixed
• Relevant unit and integration tests have been added/updated
• Relevant documentation has been updated if any (i.e. user guides, installation and configuration guides, technical design docs etc)

Closes #8500,

[mo-auto]

Error: Hi @moabu, You did not reference an open issue in your PR. I attempted to create an issue for you.
Please update that issues' title and body and make sure I correctly referenced it in the above PRs body.