chore: Prepare release v4.15.0 (#3960)

Author: rnishtala-sumo

.changelog/3953.changed.txt

@@ -7,6 +7,22 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 <!-- towncrier release notes start -->
 
+## [v4.15.0]
+
+### Released 2025-07-09
+
+### Added
+
+- feat: Add service name and namespace to the k8sattributes processor [#3954]
+
+### Changed
+
+- chore: Upgrade otel collector to v0.127.0-sumo-0 [#3953]
+
+[#3954]: https://github.com/SumoLogic/sumologic-kubernetes-collection/pull/3954
+[#3953]: https://github.com/SumoLogic/sumologic-kubernetes-collection/pull/3953
+[v4.15.0]: https://github.com/SumoLogic/sumologic-kubernetes-collection/releases/v4.15.0
+
 ## [v4.14.0]
 
 ### Released 2025-06-04

.changelog/3954.added.txt

@@ -22,7 +22,8 @@ release.
 
 | version                                                                                                 | planned end of life date |
 | ------------------------------------------------------------------------------------------------------- | ------------------------ |
-| [v4.14](https://github.com/SumoLogic/sumologic-kubernetes-collection/tree/release-v4.14/docs/README.md) | TBD                      |
+| [v4.15](https://github.com/SumoLogic/sumologic-kubernetes-collection/tree/release-v4.15/docs/README.md) | TBD                      |
+| [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               |
 | [v4.11](https://github.com/SumoLogic/sumologic-kubernetes-collection/tree/release-v4.11/docs/README.md) | 2025-08-13               |

CHANGELOG.md

@@ -1,7 +1,7 @@
 apiVersion: v2
 name: sumologic
-version: 4.14.0
-appVersion: 4.14.0
+version: 4.15.0
+appVersion: 4.15.0
 description: A Helm chart for collecting Kubernetes logs, metrics, traces and events into Sumo Logic.
 type: application
 keywords: