Update comment message to use 2.2.1-rc1 as the latest version (#3189)

Author: daxian-dbw

tools/issue-mgmt/CloseDupIssues.ps1

@@ -46,9 +46,8 @@ foreach ($item in $issues)
         $body -match 'PSReadLine: 2\.2\.0-beta[12]')
     {
         $comment = @'
-This issue was fixed in 2.2.0-beta3 version of PSReadLine. You can fix this by upgrading to the latest [2.2.0-beta5 version of PSReadLine](https://www.powershellgallery.com/packages/PSReadLine/2.2.0-beta5). Instructions for doing so:
-1. stop all instances of `pwsh`.
-2. from `cmd.exe` on Windows or `bash` on Linux, run: `pwsh -noprofile -command \"Install-Module PSReadLine -AllowPrerelease -Force\"`
+This issue was fixed in 2.2.0-beta3 version of PSReadLine. You can fix this by upgrading to the latest [2.2.1-rc1 version of PSReadLine](https://www.powershellgallery.com/packages/PSReadLine/2.2.1-rc1).
+To upgrade, simply run `Install-Module PSReadLine -AllowPrerelease -Force` from your PowerShell console.
 
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