Adding 4.0.1 servicing notes (#7365)

* adding 4.0.1 servicing notes

* adding missed pr

* reworded line

Author: michaelgsharp

docs/release-notes/4.0.1/release-4.0.1.md

@@ -0,0 +1,14 @@
+# [ML.NET](http://dot.net/ml) 4.0.1
+
+## **Bug Fixes**
+- **Fix the BERT tokenizer to handle special tokens correctly.** ([#7330](https://github.com/dotnet/machinelearning/pull/7330)) - Thanks @shaltielshmid
+- **Fix broken inheritance from DataFrameColumn class (#7324)** ([#7331](https://github.com/dotnet/machinelearning/pull/7331)) - Thanks @asmirnov82!
+
+## **Build / Test updates**
+- **Update System.Numerics.Tensors version (#7322)** ([#7355](https://github.com/dotnet/machinelearning/pull/7355)) - Thanks @asmirnov82!
+- **[release/4.0] Update dependencies from dotnet/arcade** ([#7327](https://github.com/dotnet/machinelearning/pull/7327))
+- **Update MicrosoftExtensionsDependencyModelVersion** ([#7342](https://github.com/dotnet/machinelearning/pull/7342))
+
+## **Documentation Updates**
+- **[release/4.0] Some tweaks to the Microsoft.ML.Tokenizers PACKAGE.md** ([#7364](https://github.com/dotnet/machinelearning/pull/7364))
+- **[release/4.0] Fix up docs for MLContext** ([#7363](https://github.com/dotnet/machinelearning/pull/7363))