docs(bigquery): update changelog with backfilled release notes

Author: meltsufin

java-bigquery/CHANGELOG.md

@@ -1,5 +1,16 @@
 # Changelog
 
+## [2.65.0](https://github.com/googleapis/google-cloud-java/compare/6bef068b4d8...fabe31c2a9d) (2026-04-13)
+
+### Bug Fixes
+
+* fix(bqjdbc): lazily instantiate Statement in BigQueryDatabaseMetaData (#12752) ([72e5508](https://github.com/googleapis/google-cloud-java/commit/72e5508669ea48cde28f02adfeedfb05cd73fc57))
+
+
+## [2.64.0](https://github.com/googleapis/google-cloud-java/compare/0fe7d3822cc...6bef068b4d8) (2026-04-10)
+
+* No change
+
 ## 2.62.0 (None)
 
 * No change
@@ -3525,4 +3536,4 @@
 
 ### Documentation
 
-* Update libraries-bom version ([#73](https://www.github.com/googleapis/java-bigquery/issues/73)) ([e967e10](https://www.github.com/googleapis/java-bigquery/commit/e967e10267514dfbac7013cac61f22b74d52b2b8))
+* Update libraries-bom version ([#73](https://www.github.com/googleapis/java-bigquery/issues/73)) ([e967e10](https://www.github.com/googleapis/java-bigquery/commit/e967e10267514dfbac7013cac61f22b74d52b2b8))