Update distributions: remove .Net 6 support

Author: nade7o

installation-and-upgrades/distributions.md

@@ -29,12 +29,14 @@ This article dives into UI controls, focusing on their compatibility with Micros
 |.NET Core 3.0| R1 2019 - R3 2019 SP1|.NET Core 3.0|
 |.NET Core 3.1| R1 2020 - R1 2024|.NET Core 3.1 and later|
 |.NET 5| R2 2020 - R3 2022 SP2|.NET 5 and later|
-|.NET 6| R3 2021 SP1 - present|.NET 6 and later	|
+|.NET 6| R3 2021 SP1 - 2025 Q1|.NET 6 and later	|
 |.NET 7| R3 2022 SP2 - 2024 Q3|.NET 7 and later|
 |.NET 8| 2024 Q2 - present|NET 8 and later|
 |.NET 9| 2024 Q4 - present|NET 9 and later|
 
 
+>note .NET 6 distribution is discontinued in 2025 Q2. For more informstion see [Microsoft .NET and .NET Core Support Policy](https://dotnet.microsoft.com/en-us/platform/support/policy/dotnet-core).
+
 ## See Also
 
 * [Assemblies Version]({%slug assemblies-version%})