Add changelog for Docker Selenium

Signed-off-by: Viet Nguyen Duc <[email protected]>

Author: VietND96

website_and_docs/content/blog/2025/selenium-4-29-released.md

@@ -61,9 +61,15 @@ Links to everything can be found on our [downloads page][downloads].
 - Simplified creation of network types. ([#15267](https://github.com/SeleniumHQ/selenium/pull/15267))
 - Improved logging stability. ([#15257](https://github.com/SeleniumHQ/selenium/pull/15257))
 
-
-### Docker Selenium
-- TBD
+### **Docker Selenium**
+- Publish Node/Standalone images with the latest Grid core version and browser backward versions.
+- Update container environment to JDK21 ([#2642](https://github.com/SeleniumHQ/docker-selenium/pull/2642)).
+- Node base with share system certificate support ([#2653](https://github.com/SeleniumHQ/docker-selenium/pull/2653)).
+- Node container is able to restart and retry to register when `register-period` exceeded  ([#2662](https://github.com/SeleniumHQ/docker-selenium/pull/2662))
+- Selenium Grid scaler in KEDA feature preview
+  - Add trigger param to set custom capabilities for matching specific Nodes ([KEDA#6536](https://github.com/kedacore/keda/pull/6536))
+  - Add trigger param for Node enables managed downloads capability ([KEDA#6570](https://github.com/kedacore/keda/pull/6570))
+- Helm config: Set K8s node IP to all components via env var KUBERNETES_NODE_HOST_IP in template ([#2668](https://github.com/SeleniumHQ/docker-selenium/pull/2668))
 - [See all changes](https://github.com/SeleniumHQ/docker-selenium/releases)
 
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