fix: escape backticks when passing to powershell

[NSPC911]

prevented proper copying of codeblocks, this should hopefully fix that

Before:

inline code looks like this

`pwsh
Invoke-Expression "echo hello!"
`

After:

inline `code` looks like this
```pwsh
Invoke-Expression "echo hello!"
```

[github-actions]

The following comment was made by an LLM, it may be inaccurate:

No duplicate PRs found

[rekram1-node]

/review

[github-actions]

lgtm