XS✔ - Fix markdownlint action

[JackDevAU]

1. What triggered this change? (PBI link, Email Subject, conversation + reason, etc)

errors with multiple files and using the \n char

2. What was changed?

replace \n with space

3. Did you do pair or mob programming (and list names)?

[github-actions]

Hi @JackDevAU,

There were some Markdown Linting Errors in your pull request:

File	Error	Rule
rules/8-steps-to-scrum/rule.md	Line 22 MD036/no-emphasis-as-heading/no-emphasis-as-header Emphasis used instead of a heading [Context: used instead of a heading	Rule MD036

Please review the errors and update your Markdown files accordingly.

[github-actions]

PR Metrics

✔ Thanks for keeping your pull request small.
✔ Thanks for adding tests.

	Lines
Product Code	0
Test Code	0
Subtotal	0
Ignored Code	1
Total	1

Metrics computed by PR Metrics. Add it to your Azure DevOps and GitHub PRs!

[github-actions]

Hi @JackDevAU,

There were some Markdown Linting Errors in your pull request:

File	Error	Rule
rules/3-steps-to-a-pbi/rule.md	Line 67 MD025/single-title/single-h1 Multiple top-level headings in the same document [Context: top-level headings in the same document	Rule MD025
rules/3-steps-to-a-pbi/rule.md	Line 69 MD025/single-title/single-h1 Multiple top-level headings in the same document [Context: top-level headings in the same document	Rule MD025
rules/8-steps-to-scrum/rule.md	Line 22 MD036/no-emphasis-as-heading/no-emphasis-as-header Emphasis used instead of a heading [Context: used instead of a heading	Rule MD036
rules/8-steps-to-scrum/rule.md	Line 78 MD025/single-title/single-h1 Multiple top-level headings in the same document [Context: top-level headings in the same document	Rule MD025
rules/8-steps-to-scrum/rule.md	Line 80 MD025/single-title/single-h1 Multiple top-level headings in the same document [Context: top-level headings in the same document	Rule MD025

Please review the errors and update your Markdown files accordingly.

[github-actions]

Hi @JackDevAU,

There were some Markdown Linting Errors in your pull request:

File	Error	Rule
rules/3-steps-to-a-pbi/rule.md	Line 67 MD025/single-title/single-h1 Multiple top-level headings in the same document [Context: top-level headings in the same document	Rule MD025
rules/3-steps-to-a-pbi/rule.md	Line 69 MD025/single-title/single-h1 Multiple top-level headings in the same document [Context: top-level headings in the same document	Rule MD025
rules/8-steps-to-scrum/rule.md	Line 22 MD036/no-emphasis-as-heading/no-emphasis-as-header Emphasis used instead of a heading [Context: used instead of a heading	Rule MD036
rules/8-steps-to-scrum/rule.md	Line 78 MD025/single-title/single-h1 Multiple top-level headings in the same document [Context: top-level headings in the same document	Rule MD025
rules/8-steps-to-scrum/rule.md	Line 80 MD025/single-title/single-h1 Multiple top-level headings in the same document [Context: top-level headings in the same document	Rule MD025

Please review the errors and update your Markdown files accordingly.