update changelog for release 3.2.4 (#6413)

* update changelog for release 3.2.4

* update release date in changelog

* add changelog entry for concurrently check GWs

Author: randmonkey

CHANGELOG.md

@@ -7,6 +7,7 @@ Adding a new version? You'll need three changes:
 * Add the diff link, like "[2.7.0]: https://github.com/kong/kubernetes-ingress-controller/compare/v1.2.2...v1.2.3".
   This is all the way at the bottom. It's the thing we always forget.
 --->
+ - [3.2.4](#324)
  - [3.2.3](#323)
  - [3.2.2](#322)
  - [3.2.1](#321)
@@ -94,10 +95,23 @@ Adding a new version? You'll need three changes:
  - [0.0.5](#005)
  - [0.0.4 and prior](#004-and-prior)
 
-## Unreleased
+## [3.2.4]
+
+> Release date: 2024-08-20
+
+### Changed
+
+- Check Kong Gateway readiness concurrently. This greatly reduces the time which
+  is required to check all Gateway instances readiness, especially when there's many
+  of them. Increased individual readiness check timeout from 1s to 5s.
+  [#6347](https://github.com/Kong/kubernetes-ingress-controller/pull/6347)
+  [#6357](https://github.com/Kong/kubernetes-ingress-controller/pull/6357)
 
 ### Fixed
 
+- Do not update `Programmed` condition in status of resources to `Unknown` when
+  there are existing `Programmed` condition.
+  [#6395](https://github.com/Kong/kubernetes-ingress-controller/pull/6395)
 - Bump `github.com/kong/go-database-reconciler` to v1.14.3 to include a fix for
   correctly comparing IPv6 addresses.
   [#6378](https://github.com/Kong/kubernetes-ingress-controller/pull/6378)
@@ -3615,6 +3629,7 @@ Please read the changelog and test in your environment.
  - The initial versions  were rapildy iterated to deliver
    a working ingress controller.
 
+[3.2.4]: https://github.com/kong/kubernetes-ingress-controller/compare/v3.2.3...v3.2.4
 [3.2.3]: https://github.com/kong/kubernetes-ingress-controller/compare/v3.2.2...v3.2.3
 [3.2.2]: https://github.com/kong/kubernetes-ingress-controller/compare/v3.2.1...v3.2.2
 [3.2.1]: https://github.com/kong/kubernetes-ingress-controller/compare/v3.2.0...v3.2.1