don't render the list inside a blockquote
minor #3938 [Contributing][Documentation] don't render the list inside a blockquote (xabbuh)

This PR was merged into the 2.3 branch.

Discussion
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[Contributing][Documentation] don't render the list inside a blockquote

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | all
| Fixed tickets |

Commits
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301e44b don't render the list inside a blockquote