Variables that are built-in constants are not highlighted, like `$Error` and `$PSVersionTable`

[o-l-a-v]

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Prerequisites

• [X] Write a descriptive title.
• [X] Make sure you are able to repro it on the latest version
• [X] Search the existing issues.

Steps to reproduce

Noticed that both VSCode and GitHub doesn't highlight some variables, like $Error and $PSVersionTable

This:

```powershell
#Requires -Version 5.1
$SomeVariable
$Error
$PSVersionTable
string without quotes
'string with quotes'
```

Looks like this on GitHub:

#Requires -Version 5.1
$SomeVariable
$Error
$PSVersionTable
string without quotes
'string with quotes'

And in VSCode:

Expected behavior

Highlight.js demo https://highlightjs.org/demo does as I expect it to:

PowerShell ISE and the PowerShell terminal too:

Actual behavior

Steps to reproduce

Error details

No response

Environment data

PowerShell 7.4.1 x64 on Windows 11 23H2
VSCode 1.87.2, vscode-powershell v2024.0.0 and v2024.3.1-preview

Version

Latest?

Visuals

No response