Merge pull request #4093 from tamasvajk/feature/change-notes

C#: Add change notes for C# analysis

change-notes/1.26/analysis-csharp.md

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+# Improvements to C# analysis
+
+The following changes in version 1.26 affect C# analysis in all applications.
+
+## New queries
+
+| **Query**                   | **Tags**  | **Purpose**                                                        |
+|-----------------------------|-----------|--------------------------------------------------------------------|
+
+
+## Changes to existing queries
+
+| **Query**                    | **Expected impact**    | **Change**                        |
+|------------------------------|------------------------|-----------------------------------|
+
+
+## Removal of old queries
+
+## Changes to code extraction
+
+* Partial method bodies are extracted. Previously, partial method bodies were skipped completely.
+
+## Changes to libraries
+
+## Changes to autobuilder
+
+## Changes to tooling support
+
+* The Abstract Syntax Tree of C# files can be printed in Visual Studio Code.