Bump Umbraco.Cms from 12.2.0 to 12.3.4 in /src/Umbraco.UIBuilder.Demo.Web#7

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dependabot/nuget/src/Umbraco.UIBuilder.Demo.Web/Umbraco.Cms-12.3.4umbraco/Umbraco.UIBuilder.Demo:dependabot/nuget/src/Umbraco.UIBuilder.Demo.Web/Umbraco.Cms-12.3.4Copy head branch name to clipboard