Fix validation message text measurement - #711

2 bytes free on the most constrained checked filesystem after bounded cleanup; 3 required. Host capacity cleanup is required.

The run was canceled by @wieslawsoltes.

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Removing incomplete setup-dotnet state at '/home/danw/actions-runner2/_work/_temp/webscene-job-35456190100-1-metadata/tmpbhfjxymv/dotnet'.

Removing incomplete setup-dotnet state at '/home/danw/actions-runner2/_work/_temp/webscene-job-35456190100-1-metadata/tmp45drs8fr/dotnet'.