Add change note

d10c · d10c · commit 9c48c73ef5dc · 2025-06-04T14:13:15.000+02:00
diff --git a/csharp/ql/lib/change-notes/2025-06-04-diff-informed.md b/csharp/ql/lib/change-notes/2025-06-04-diff-informed.md
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+---
+category: minorAnalysis
+---
+* A number of built-in C# queries can now run in diff-informed mode.

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 +---
 +category: minorAnalysis
 +---
 +* A number of built-in C# queries can now run in diff-informed mode.