YAML text for "Automate model training with a manually triggered workflow" not rendered correctly on microsoftlearning.github.io

In "Automate model training with GitHub Actions", there is a section "Automate model training with a manually triggered workflow".

When the Markdown is rendered on GitHub (Automate model training with a manually triggered workflow), the variables appear correctly:

- name: Run Azure Machine Learning training job
	run: az ml job create -f src/job.yml --stream --resource-group ${{vars.AZURE_RESOURCE_GROUP}} --workspace-name ${{vars.AZURE_WORKSPACE_NAME}}

However, at https://microsoftlearning.github.io/mslearn-mlops/docs/06-automate-model-training.html#automate-model-training-with-a-manually-triggered-workflow (where most students will actually read it), it appears as:

 - name: Run Azure Machine Learning training job
     run: az ml job create -f src/job.yml --stream --resource-group $ --workspace-name $

Due to an escaping issue, the variables are missing.

Start with docs/06-automate-model-training.md and compare its workflow code block with the generated page at the linked documentation URL. Check how the GitHub Actions variables are escaped during rendering, then verify the published section preserves the full variable expressions; open PR #73 already covers this issue.