nested tensor frontend release notes for 2.9.0 (#91)

* cpp_frontend release notes for 2.9.0

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* nested tensor frontend release notes for 2.9.0 (#87)

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Author: jbschlosser

2.9.0/todo/result_nested tensor_frontend.md

@@ -28,7 +28,7 @@ The categories below are as follows:
 ### deprecation
 ### new features
 ### improvements
-- Add minimal nn.functional.log_softmax support for NestedTensor ([#159662](https://github.com/pytorch/pytorch/pull/159662))
+- Added initial `log_softmax()` support ([#159662](https://github.com/pytorch/pytorch/pull/159662))
 ### bug fixes
 ### performance
 ### docs