[ci] Fix arcade signing new fonts on dancing

[rmarinho]

Description

Build was failing on signign the new templates fonts

https://dev.azure.com/dnceng/internal/_build/results?buildId=2585606&view=results

 SignToolTask starting.
  DryRun: False
  Signing mode: Real
  MicroBuild signing logs will be in (Signing*.binlog): D:\a\_work\1\s\artifacts\log\Release\
  MicroBuild signing configuration will be in (Round*.proj): D:\a\_work\1\s\artifacts\tmp\Release\
D:\a\_work\1\s\.packages\microsoft.dotnet.arcade.sdk\9.0.0-beta.24562.13\tools\Sign.proj(72,5): error : Could not determine certificate name for signable file(s):
##[error].packages\microsoft.dotnet.arcade.sdk\9.0.0-beta.24562.13\tools\Sign.proj(72,5): error : Could not determine certificate name for signable file(s):
D:\a\_work\1\s\.packages\microsoft.dotnet.arcade.sdk\9.0.0-beta.24562.13\tools\Sign.proj(72,5): error :     File: FluentSystemIcons-Regular.ttf
##[error].packages\microsoft.dotnet.arcade.sdk\9.0.0-beta.24562.13\tools\Sign.proj(72,5): error :   File: FluentSystemIcons-Regular.ttf
D:\a\_work\1\s\.packages\microsoft.dotnet.arcade.sdk\9.0.0-beta.24562.13\tools\Sign.proj(72,5): error :         Microsoft.Maui.Templates.net9.9.0.10-ci.net9.24570.3.nupkg
##[error].packages\microsoft.dotnet.arcade.sdk\9.0.0-beta.24562.13\tools\Sign.proj(72,5): error :       Microsoft.Maui.Templates.net9.9.0.10-ci.net9.24570.3.nupkg
D:\a\_work\1\s\.packages\microsoft.dotnet.arcade.sdk\9.0.0-beta.24562.13\tools\Sign.proj(72,5): error :     File: SegoeUI-Semibold.ttf
##[error].packages\microsoft.dotnet.arcade.sdk\9.0.0-beta.24562.13\tools\Sign.proj(72,5): error :   File: SegoeUI-Semibold.ttf
D:\a\_work\1\s\.packages\microsoft.dotnet.arcade.sdk\9.0.0-beta.24562.13\tools\Sign.proj(72,5): error :         Microsoft.Maui.Templates.net9.9.0.10-ci.net9.24570.3.nupkg
##[error].packages\microsoft.dotnet.arcade.sdk\9.0.0-beta.24562.13\tools\Sign.proj(72,5): error :       Microsoft.Maui.Templates.net9.9.0.10-ci.net9.24570.3.nupkg
  SignToolTask execution finished.

Steps to Reproduce

No response

Link to public reproduction project repository

No response

Version with bug

9.0.10 SR1

Is this a regression from previous behavior?

No, this is something new

Last version that worked well

No response

Affected platforms

Other (Tizen, Linux, etc. not supported by Microsoft directly)

Affected platform versions

No response

Did you find any workaround?

No response

Relevant log output