Update Blazor changelog for NET 9 support

doc/en/components/general-changelog-dv-blazor.md

@@ -10,6 +10,13 @@ namespace: Infragistics.Controls.Charts
 
 All notable changes for each version of {ProductName} are documented on this page.
 
+## **{PackageVerChanges-24-2-DEC}**
+
+* As of version 2024.2, the Ignite UI for Blazor toolset supports .NET 9. For more information on .NET 9 please refer to [this article on Microsoft's site](https://learn.microsoft.com/en-us/dotnet/core/whats-new/dotnet-9/overview).
+
+**Breaking Changes**
+
+- With the release of version 2024.2 and per the [Microsoft .NET lifecycle](https://dotnet.microsoft.com/en-us/platform/support/policy/dotnet-core), we no longer support .NET 3.1, .NET 5, or .NET 7.
 ## **{PackageVerChanges-24-2-NOV}**
 
 ### General

doc/jp/components/general-changelog-dv-blazor.md

@@ -11,6 +11,13 @@ _language: ja
 
 {ProductName} の各バージョンのすべての重要な変更は、このページに記載されています。
 
+## **{PackageVerChanges-24-2-DEC}**
+
+* As of version 2024.2, the Ignite UI for Blazor toolset supports .NET 9. For more information on .NET 9 please refer to [this article on Microsoft's site](https://learn.microsoft.com/en-us/dotnet/core/whats-new/dotnet-9/overview).
+
+**Breaking Changes**
+
+- With the release of version 2024.2 and per the [Microsoft .NET lifecycle](https://dotnet.microsoft.com/en-us/platform/support/policy/dotnet-core), we no longer support .NET 3.1, .NET 5, or .NET 7.
 ## **{PackageVerChanges-24-2-NOV}**
 
 ### 一般

docConfig.json

@@ -47,6 +47,7 @@
             { "name": "{PackageVerChanges-23-2-MAR}", "value": "17.3.0 (March 2024)"  },
             { "name": "{PackageVerChanges-24-1-JUN}", "value": "18.0.0 (June 2024)"  },
             { "name": "{PackageVerChanges-24-1-SEP}", "value": "18.1.0 (September 2024)"  },
+            { "name": "{PackageVerChanges-24-2-DEC}", "value": "Version TBA (December 2024)" },
             { "name": "{PackageVerLatest}",           "value": "18.1.0"},
             { "name": "{PackageAngularComponents}",   "value": "igniteui-angular"},
             { "name": "{RepoSamples}",   "value": "https://github.com/IgniteUI/igniteui-angular-examples/tree/master/samples"},
@@ -288,6 +289,7 @@
             { "name": "{PackageVerChanges-23-2-MAR}", "value": "4.8.0 (March 2024)"  },
             { "name": "{PackageVerChanges-24-1-JUN}", "value": "4.8.1 (June 2024)"  },
             { "name": "{PackageVerChanges-24-1-SEP}", "value": "5.0.0 (September 2024)"  },
+            { "name": "{PackageVerChanges-24-2-DEC}", "value": "Version TBA (December 2024)" },
             { "name": "{PackageCommonVerChanges-1.0.0}", "value": "1.0.0 (November 2021)"},
             { "name": "{PackageCommonVerChanges-2.0.0}", "value": "2.0.0 (February 2022)"},
             { "name": "{PackageCommonVerChanges-2.1.0}", "value": "2.1.0 (March 2022)"},