chore: Prepare release v4.16.0 (#3987)

* chore: Prepare release v4.16.0

* Fix typo

* fix markdown lint

* fix markdown with previous pretieer version

Author: Gourav2906

.changelog/3949.added.txt

@@ -7,7 +7,28 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 <!-- towncrier release notes start -->
 
-## [v4.15.1]
+## [v4.16.0]
+
+### Released 2025-09-04
+
+### Added
+
+- feat(config): ipv6 compatibiilty for otel collector pods [#3949]
+- chore: Upgraded otel collector version to 0.127.0 from 0.130.1 #3972 [#3972]
+
+### Changed
+
+- chore: upgrade sumologic-kubernetes-tools and sumologic-mock images to 2.26.0 [#3949]
+
+### Fixed
+
+- chore: upgrade opentelemetry-operator to v0.93.0, resolving breakage with helm >= 3.18.5 [#3985]
+
+[#3949]: https://github.com/SumoLogic/sumologic-kubernetes-collection/pull/3949
+[#3972]: https://github.com/SumoLogic/sumologic-kubernetes-collection/pull/3972
+[#3985]: https://github.com/SumoLogic/sumologic-kubernetes-collection/pull/3985
+
+[v4.16.0]: https://github.com/SumoLogic/sumologic-kubernetes-collection/releases/v4.16.0## [v4.15.1]
 
 ### Released 2025-08-08
 

.changelog/3949.changed.txt

@@ -22,7 +22,8 @@ release.
 
 | version                                                                                                 | planned end of life date |
 | ------------------------------------------------------------------------------------------------------- | ------------------------ |
-| [v4.15](https://github.com/SumoLogic/sumologic-kubernetes-collection/tree/release-v4.15/docs/README.md) | TBD                      |
+| [v4.16](https://github.com/SumoLogic/sumologic-kubernetes-collection/tree/release-v4.16/docs/README.md) | TBD                      |
+| [v4.15](https://github.com/SumoLogic/sumologic-kubernetes-collection/tree/release-v4.15/docs/README.md) | 2026-03-04               |
 | [v4.14](https://github.com/SumoLogic/sumologic-kubernetes-collection/tree/release-v4.14/docs/README.md) | 2026-01-09               |
 | [v4.13](https://github.com/SumoLogic/sumologic-kubernetes-collection/tree/release-v4.13/docs/README.md) | 2025-12-04               |
 | [v4.12](https://github.com/SumoLogic/sumologic-kubernetes-collection/tree/release-v4.12/docs/README.md) | 2025-10-14               |

.changelog/3972.added.txt

@@ -1,7 +1,7 @@
 apiVersion: v2
 name: sumologic
-version: 4.15.1
-appVersion: 4.15.1
+version: 4.16.0
+appVersion: 4.16.0
 description: A Helm chart for collecting Kubernetes logs, metrics, traces and events into Sumo Logic.
 type: application
 keywords: