chore(all): release v0.60.0 (#2518)

This commit will be tagged v0.60.0
diff --git a/CHANGES.md b/CHANGES.md
index ae1a825..6ff7fdd 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,16 @@
 # Changes
 
+## v0.60.0
+
+### Changes
+
+- all:
+  - Refactored examples to reduce module dependencies.
+  - Update sub-modules to use cloud.google.com/go v0.59.0.
+- internal:
+  - Start generating client for gaming apiv1beta.
+- Various updates to autogenerated clients.
+
 ## v0.59.0
 
 ### Announcements