CHANGELOG.md in google-apis-spanner_v1-0.15.0 vs CHANGELOG.md in google-apis-spanner_v1-0.16.0

@@ -1,6 +1,10 @@
 # Release history for google-apis-spanner_v1
 
+### v0.16.0 (2021-07-31)
+
+* Regenerated from discovery document revision 20210723
+
 ### v0.15.0 (2021-07-12)
 
 * Regenerated from discovery document revision 20210703
 
 ### v0.14.0 (2021-07-03)