Source-build signing fails: unable to strong-name sign Microsoft.TemplateEngine.Cli.dll

[DonnaChen888]

Repro Pipeline:
20260223.19

Repro Branch:
10.0.2xx

Error Message:
SignToolTask starting.
DryRun: False
Signing mode: Real
MicroBuild signing logs will be in (Signing*.binlog): /__w/1/s/artifacts/log/Release/
MicroBuild signing configuration will be in (Round*.proj): /__w/1/s/artifacts/tmp/Release/
Round 0: Signing 1854 files
Failed to locally strong name sign 'Microsoft.TemplateEngine.Cli.dll'
##[error].packages/microsoft.dotnet.arcade.sdk/10.0.0-beta.26075.103/tools/Sign.proj(76,5): error : Error during execution of signing process.
/__w/1/s/.packages/microsoft.dotnet.arcade.sdk/10.0.0-beta.26075.103/tools/Sign.proj(76,5): error : Error during execution of signing process.
SignToolTask execution finished.

[mthalman]

cc @ellahathaway

[ellahathaway]

I think this is caused by the version of Arcade being misaligned. dotnet/dotnet#4989 should've updated arcade in Versions.Details.props to 10.0.0-beta.26075.103, but it is still 10.0.0-beta.25612.105.