PowerShell "upgrade now" hyperlink not automatically detected

### Windows Terminal version

_No response_

### Windows build number

_No response_

### Other Software

An outdated version of PowerShell

### Steps to reproduce

1. open a powershell tab
2. See this:

Hover over the hyperlink

### Expected Behavior

The hyperlink should be detected so we can click on it to open it

### Actual Behavior

It's not. The regex we use is here:
https://github.com/microsoft/terminal/blob/13e7c9314df5422679ff2bf2a78978cb66af9ace/src/cascadia/TerminalCore/Terminal.cpp#L1439-L1441

Start in the linked src/cascadia/TerminalCore/Terminal.cpp location and inspect the hyperlink-detection regex. Reproduce the outdated PowerShell message in a PowerShell tab, then verify that the “upgrade now” hyperlink is detected and can be clicked.

Written by the indexing model from the issue text.