chore(main): release 1.21.0 (#1088)

* chore(main): release 1.21.0

* add bug fixes for pgxv4 deprecation

---------

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>
Co-authored-by: Jin Hou <jinphou@google.com>

Author: release-please[bot]

CHANGELOG.md

@@ -1,5 +1,16 @@
 # Changelog
 
+## [1.21.0](https://github.com/GoogleCloudPlatform/cloud-sql-go-connector/compare/v1.20.2...v1.21.0) (2026-04-16)
+
+
+### Features
+
+* upgrade example go version to match minimum ([#1087](https://github.com/GoogleCloudPlatform/cloud-sql-go-connector/issues/1087)) ([c950a6c](https://github.com/GoogleCloudPlatform/cloud-sql-go-connector/commit/c950a6c61b08c0c945b6604c2cb7ca0d4399c02d))
+
+### Bug Fixes
+
+* drop support for EOL pgxv4 driver ([#1085](https://github.com/GoogleCloudPlatform/cloud-sql-go-connector/issues/1085)) ([c950a6c](https://github.com/GoogleCloudPlatform/cloud-sql-go-connector/commit/dbabe68264ff55e8cb2ae701dc6c18c3c37cc3e4))
+
 ## [1.20.2](https://github.com/GoogleCloudPlatform/cloud-sql-go-connector/compare/v1.20.1...v1.20.2) (2026-03-17)
 
 

version.txt

@@ -1 +1 @@
-1.20.2
+1.21.0