C#: Add change note.

aschackmull · aschackmull · commit 4867306b5ea3 · 2025-11-14T11:44:27.000+01:00
diff --git a/csharp/ql/src/change-notes/2025-11-14-guards-disjunctive.md b/csharp/ql/src/change-notes/2025-11-14-guards-disjunctive.md
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+---
+category: minorAnalysis
+---
+* An improvement to the Guards library for recognizing disjunctions means improved precision for `cs/constant-condition`, `cs/inefficient-containskey`, and `cs/dereferenced-value-may-be-null`. The two former can have additional findings, and the latter will have fewer false positives.

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 +---
 +category: minorAnalysis
 +---
 +* An improvement to the Guards library for recognizing disjunctions means improved precision for `cs/constant-condition`, `cs/inefficient-containskey`, and `cs/dereferenced-value-may-be-null`. The two former can have additional findings, and the latter will have fewer false positives.