`Get-EventSubscriber` and `Unregister-Event` should have examples using `-Force`

[SteveL-MSFT]

Prerequisites

• [X] Existing Issue: Search the existing issues for this repository. If there is an issue that fits your needs do not file a new one. Subscribe, react, or comment on that issue instead.
• [X] Descriptive Title: Write the title for this issue as a short synopsis. If possible, provide context. For example, "Typo in Get-Foo cmdlet" instead of "Typo."
• [X] Verify Version: If there is a mismatch between documentation and the behavior on your system, ensure that the version you are using is the same as the documentation. Check this box if they match or the issue you are reporting is not version specific.

Links

• https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.utility/get-eventsubscriber?view=powershell-7.4
• https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.utility/unregister-event?view=powershell-7.4
• https://github.com/PowerShell/PowerShell/issues/21513

Summary

Some events require use of -Force as they are intentionally hidden

Details

No response

Suggested Fix

Add examples of using -Force to both docs

[sdwheeler]

Examples from Jim

Register-EngineEvent -SourceIdentifier PowerShell.Exiting -SupportEvent -Action {
    Get-History | Export-Clixml d:\temp\history.clixml
}
get-eventsubscriber
get-eventsubscriber -force