Repair .NET 10 and MudBlazor migration - #11

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, actions/setup-dotnet@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Non-nullable property 'ID' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'RepoPath' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'Golang' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'System' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'Repo' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'Commit' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'Version' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

'RequireQueryKeyAttribute.Accept(ActionConstraintContext)' hides inherited member 'ActionMethodSelectorAttribute.Accept(ActionConstraintContext)'. Use the new keyword if hiding was intended.

'RequireQueryKeyAttribute.Order' hides inherited member 'ActionMethodSelectorAttribute.Order'. Use the new keyword if hiding was intended.