docs(readme): preapre release 2.18.2 (#2633)

CHANGELOG.md

@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [v2.18.2]
 
 If you use custom configuration for Telegraf Operator Helm Chart with cert-manager enabled (`telegraf-operator.certManager.enable=true`) please note that
 in this release Telegraf Operator Helm Chart is changed to 1.3.10 which uses the cert-manager apiVersion `cert-manager.io/v1`,
@@ -26,7 +26,7 @@ for differences between Telegraf Operator Helm Chart 1.3.5 and Telegraf Operator
 [#2596]: https://github.com/SumoLogic/sumologic-kubernetes-collection/pull/2596
 [#2598]: https://github.com/SumoLogic/sumologic-kubernetes-collection/pull/2598
 [#2630]: https://github.com/SumoLogic/sumologic-kubernetes-collection/pull/2630
-[Unreleased]: https://github.com/SumoLogic/sumologic-kubernetes-collection/compare/v2.18.1...main
+[v2.18.2]: https://github.com/SumoLogic/sumologic-kubernetes-collection/compare/v2.18.1...v2.18.2
 [telegraf_operator_comapare_1.3.5_and_1.3.10]: https://github.com/influxdata/helm-charts/compare/telegraf-operator-1.3.5...telegraf-operator-1.3.10
 [cert-manager-1.4]: https://github.com/cert-manager/cert-manager/releases/tag/v1.4.0
 [cert-manager-1.6]: https://github.com/cert-manager/cert-manager/releases/tag/v1.6.0