Prevent asterisk substitution in a code block (3.10 and earlier)

[asteflova]

What changes are you introducing?

A minor change to make sure the asterisks in a command included in a code block are preserved.

Why are you introducing these changes? (Explanation, links to references, issues, etc.)

Right now, the asterisks are interpreted as bold text.

Anything else to add? (Considerations, potential downsides, alternative solutions you have explored, etc.)

https://github.com/theforeman/foreman-documentation/pull/3282 applies the same fix on 3.11 and later.

Checklists

• [x] I am okay with my commits getting squashed when you merge this PR.
• [x] I am familiar with the contributing guidelines.

Please cherry-pick my commits into:

• [ ] Foreman 3.12/Katello 4.14 (Satellite 6.16)
• [ ] Foreman 3.11/Katello 4.13
• [x] Foreman 3.10/Katello 4.12
• [x] Foreman 3.9/Katello 4.11 (Satellite 6.15; orcharhino 6.8/6.9/6.10)
• [x] Foreman 3.8/Katello 4.10
• [x] Foreman 3.7/Katello 4.9 (Satellite 6.14)
• [x] Foreman 3.6/Katello 4.8
• [x] Foreman 3.5/Katello 4.7 (Satellite 6.13; orcharhino 6.6/6.7)
• We do not accept PRs for Foreman older than 3.5.

[github-actions[bot]]

The PR preview for d69d4fd5b6745a45a1bcbb14cfe1968f83b97a05 is available at theforeman-foreman-documentation-preview-pr-3283.surge.sh

The following output files are affected by this PR:

• Administering_Project/index-katello.html
• Administering_Project/index-orcharhino.html
• Administering_Project/index-satellite.html

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show diff as HTML

[asteflova]

No change from the technical point of view so I'm setting the tech review done label.

[asteflova]

Merged to "3.10" and cherry-picked:

4dc8a8393f..9a12c20617 3.9 -> 3.9 674c594683..3e6fdef3a9 3.8 -> 3.8 72477d8629..9bda7fedd3 3.7 -> 3.7 241ef1d8c1..3bea1ac680 3.6 -> 3.6 ec9440720a..5f5c6de9b8 3.5 -> 3.5