Bump version to 1.21.0

Author: takara9

CHANGELOG.md

@@ -5,6 +5,13 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
+## [1.21.0] - 2025-06-12
+
+### Changed
+
+- Update for new F/W in [#133](https://github.com/cybozu-go/setup-hw/pull/135)
+    - Update DELL F/W ISO-Image 25.06.02
+
 ## [1.20.2] - 2025-04-09
 
 ### Changed
@@ -315,7 +322,8 @@ The [quay.io/cybozu/setup-hw](https://quay.io/repository/cybozu/setup-hw) will n
 ### Added
 - Support Redfish version 1.2.0 and 1.4.0 ([#12](https://github.com/cybozu-go/setup-hw/pull/12))
 
-[Unreleased]: https://github.com/cybozu-go/setup-hw/compare/v1.20.2...HEAD
+[Unreleased]: https://github.com/cybozu-go/setup-hw/compare/v1.21.0...HEAD
+[1.21.0]: https://github.com/cybozu-go/setup-hw/compare/v1.20.2...v1.21.0
 [1.20.2]: https://github.com/cybozu-go/setup-hw/compare/v1.20.1...v1.20.2
 [1.20.1]: https://github.com/cybozu-go/setup-hw/compare/v1.20.0...v1.20.1
 [1.20.0]: https://github.com/cybozu-go/setup-hw/compare/v1.19.0...v1.20.0