Add change note

jketema · jketema · commit 3b2584a5d102 · 2022-02-15T11:18:44.000+01:00
diff --git a/cpp/ql/src/change-notes/2022-02-11-code-duplication.md b/cpp/ql/src/change-notes/2022-02-11-code-duplication.md
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+---
+category: deprecated
+---
+* The `CodeDuplication.Copy`, `CodeDuplication.DuplicateBlock`, and `CodeDuplication.SimilarBlock` classes have been deprecated.

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 +---
 +category: deprecated
 +---
 +* The `CodeDuplication.Copy`, `CodeDuplication.DuplicateBlock`, and `CodeDuplication.SimilarBlock` classes have been deprecated.