Merge remote-tracking branch 'origin/v12/dev' into v13/dev

# Conflicts:
#	src/Umbraco.Core/CompatibilitySuppressions.xml
#	src/Umbraco.Core/Routing/UmbracoRequestPaths.cs
#	src/Umbraco.Infrastructure/CompatibilitySuppressions.xml
#	src/Umbraco.Web.BackOffice/Controllers/ContentController.cs
#	tests/Umbraco.Tests.UnitTests/Umbraco.Web.BackOffice/Controllers/ContentControllerTests.cs

src/Umbraco.Core/Models/ContentEditing/PublishContent.cs

@@ -0,0 +1,16 @@
+using System.Runtime.Serialization;
+
+namespace Umbraco.Cms.Core.Models.ContentEditing;
+
+/// <summary>
+///     Used to publish content and variants
+/// </summary>
+[DataContract(Name = "publish", Namespace = "")]
+public class PublishContent
+{
+    [DataMember(Name = "id")]
+    public int Id { get; set; }
+
+    [DataMember(Name = "cultures")]
+    public string[]? Cultures { get; set; }
+}