Update CHANGELOG

Signed-off-by: Ayan Sinha Mahapatra <[email protected]>

Author: AyanSinhaMahapatra

CHANGELOG.rst

@@ -42,15 +42,21 @@ Major API/other changes:
 - Output Format Version updated to 4.0.0 (major version bump)
 - Dependency attribute rename: ``is_resolved`` renamed to ``is_pinned``
   See https://github.com/nexB/scancode-toolkit/pull/3888 for more details.
+- License Match attribute rename: ``spdx_license_expression`` is renamed to
+  ``license_expression_spdx``.
 
 Changes in Output Data Structure:
 
-- The data structure of the JSON output has changed for
-  dependencies at file level package_data, and at top-level.
+- The data structure of the JSON output has changed for:
+  - dependencies at file level package_data, and at top-level.
+  - license matches at file level or unique codebase level license detections
   Note that the change is a modification to the JSON output,
   so we have a major version bump ``3.2.0`` to ``4.0.0``:
 
   - Dependency attribute ``is_resolved`` renamed to ``is_pinned``
+  - LicenseMatch attribute ``spdx_license_expression`` renamed to
+    ``license_expression_spdx``
+
 - Update link references of ownership from nexB to aboutcode-org
   See https://github.com/aboutcode-org/scancode-toolkit/issues/3885