Fix CHANGELOG_PENDING to mark 6731 as breaking, expand note
### Breaking
+- [automation/dotnet] Rename (Get,Set,Remove)Config(Value)
+ [#6731](https://github.com/pulumi/pulumi/pull/6731)
+
+ The following methods on Workspace and WorkspaceStack classes have
+ been renamed. Please update your code (before -> after):
+
+ * GetConfigValue -> GetConfig
+ * SetConfigValue -> SetConfig
+ * RemoveConfigValue -> RemoveConfig
+ * GetConfig -> GetAllConfig
+ * SetConfig -> SetAllConfig
+ * RemoveConfig -> RemoveAllConfig
+
+ This change was made to align with the other Pulumi language SDKs.
+
### Improvements
- [cli] Add option to print absolute rather than relative dates in stack history
- [sdk/dotnet] Thread-safe concurrency-friendly global state
[#6139](https://github.com/pulumi/pulumi/pull/6139)
-- [automation/dotnet] Rename (Get,Set,Remove)Config(Value) methods to match other SDKs
- [#6731](https://github.com/pulumi/pulumi/pull/6731)
-
- [cli] Enable absolute and relative parent paths for pulumi main
[#6734](https://github.com/pulumi/pulumi/pull/6734)
