Replace stray unicode character

[BHoggs]

Description

Fixing a single stray unicode character that causes errors in Powershell 5.1

Fixes #346

Checklist

• This pull request was tested on both of:
  • PowerShell 5.1 (Windows)
  • PowerShell 6.x
  • PowerShell 7.x (Latest PowerShell)
• Scripts do not contain static passwords or other secret tokens.
• All Azure resource identifiers which must be universally unique are guaranteed to be so.

Testing information

Only replaced a single character, so haven't deemed necessary to test on all platforms. Tested successfully on PowerShell 5.1

Platform and PowerShell version: [pscustomobject]$PSVersionTable | Select-Object OS, BuildVersion, PSVersion

Az version: (Get-InstalledModule -Name Az).Version

[mikefrobbins]

LGTM