[Update Request]: RingCentral 26.2.3013 404 Not found

### What type of update are you requesting?

A change to the package metadata

### Current Package Identifier

RingCentral.RingCentral

### Package Version

26.2.3013

### Please describe the changes you would like to see

The download URL for 26.2.3013 returns 404, verified by directly requesting the URL.

```powershell
PS C:\WINDOWS\system32> winget --version
v1.29.280

PS C:\WINDOWS\system32> winget install --id RingCentral.RingCentral --exact --silent --accept-package-agreements --accept-source-agreements
Found RingCentral [RingCentral.RingCentral] Version 26.2.3013
This application is licensed to you by its owner.
Microsoft is not responsible for, nor does it grant any licenses to, third-party packages.
Downloading https://app.ringcentral.com/download/RingCentral-26.2.3013.exe
An unexpected error occurred while executing the command:
Download request status is not success.
0x80190194 : Not found (404).

PS C:\WINDOWS\system32> Invoke-WebRequest -Uri "https://app.ringcentral.com/download/RingCentral-26.2.3013.exe" -Method Head
Invoke-WebRequest : The remote server returned an error: (404) Not Found.
At line:1 char:1
+ Invoke-WebRequest -Uri "https://app.ringcentral.com/download/RingCent ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidOperation: (System.Net.HttpWebRequest:HttpWebRequest) [Invoke-WebRequest], WebException
+ FullyQualifiedErrorId : WebCmdletWebResponseException,Microsoft.PowerShell.Commands.InvokeWebRequestCommand
```

Locate the manifest for RingCentral.RingCentral version 26.2.3013 and inspect its download URL and related metadata. Verify the replacement URL with a HEAD request, then test installation with the shown winget command; done means the package no longer requests the reported 404 URL.

Written by the indexing model from the issue text.