CHANGELOG.md in google-apis-recommender_v1-0.30.0 vs CHANGELOG.md in google-apis-recommender_v1-0.31.0

@@ -1,6 +1,10 @@
 # Release history for google-apis-recommender_v1
 
+### v0.31.0 (2023-12-10)
+
+* Regenerated from discovery document revision 20231203
+
 ### v0.30.0 (2023-11-19)
 
 * Regenerated from discovery document revision 20231112
 
 ### v0.29.0 (2023-09-17)