[Feature] scoop cleanup: add option for closing running apps to avoid "PermissionDenied" when apps are still running

[soredake]

Feature Request

Is your feature request related to a problem? Please describe.

When you are cleaning old versions that are still running, you will receive "Remove-Item : Cannot remove item" error.

To reproduce this:

1. Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUser
2. Invoke-RestMethod -Uri https://get.scoop.sh/ | Invoke-Expression
3. scoop install git
4. scoop bucket add extras
5. scoop install syncthingtray@1.4.13
6. run syncthing tray
7. scoop install syncthingtray@1.5.0
8. scoop cleanup -a -k
9. error:

Remove-Item : Cannot remove item C:\Users\ruruo\scoop\apps\syncthingtray\1.4.13\syncthingtray.exe: Access to the path
'syncthingtray.exe' is denied.
At C:\Users\ruruo\scoop\apps\scoop\current\libexec\scoop-cleanup.ps1:50 char:9
+         Remove-Item $dir -ErrorAction Stop -Recurse -Force
+         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : PermissionDenied: (syncthingtray.exe:FileInfo) [Remove-Item], UnauthorizedAccessExceptio
   n
    + FullyQualifiedErrorId : RemoveFileSystemItemUnAuthorizedAccess,Microsoft.PowerShell.Commands.RemoveItemCommand

Related: #2035

Describe the solution you'd like

Add option to scoop cleanup for closing running apps to avoid "PermissionDenied" when apps are still running.

Describe alternatives you've considered

Not having such option.

[soredake]

Would be nice if this code can be adapted for cleanup command

Scoop/lib/install.ps1

Lines 1147 to 1165 in d337bb1

	# test if there are running processes
	function test_running_process($app, $global) {
	$processdir = appdir $app $global | Convert-Path
	$running_processes = Get-Process | Where-Object { $_.Path -like "$processdir\*" } | Out-String
	if ($running_processes) {
	if (get_config IGNORE_RUNNING_PROCESSES) {
	warn "The following instances of `"$app`" are still running. Scoop is configured to ignore this condition."
	Write-Host $running_processes
	return $false
	} else {
	error "The following instances of `"$app`" are still running. Close them and try again."
	Write-Host $running_processes
	return $true
	}
	} else {
	return $false
	}
	}