Add change notes

jketema · jketema · commit 7f4913d61f71 · 2022-02-11T18:15:33.000+01:00
diff --git a/cpp/ql/lib/change-notes/2022-02-11-external-artifact.md b/cpp/ql/lib/change-notes/2022-02-11-external-artifact.md
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+---
+category: deprecated
+---
+* The `ExternalArtifact.ExternalData` class has been deprecated.
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.

-Original file line number
+Diff line change
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 +---
 +category: deprecated
 +---
 +* The `ExternalArtifact.ExternalData` class has been deprecated.