go1.21.9 (released 2024-04-03) includes a security fix to the net/http package, as well as bug fixes to the linker, and the go/types and net/http packages. See the Go 1.21.9 milestone on our issue tracker for details. - https://github.com/golang/go/issues?q=milestone%3AGo1.21.9+label%3ACherryPickApproved - full diff: https://github.com/golang/go/compare/go1.21.8...go1.21.9 **- Description for the changelog** ```markdown changelog Update Go runtime to 1.21.9 ``` Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>