Update change log

Author: komalsukhani

CHANGELOG.md

@@ -1,14 +1,17 @@
 # Changelog
 
-## [Unreleased](https://github.com/TykTechnologies/tyk-helm-chart/tree/HEAD)
-[Full unreleased Changelog](https://github.com/TykTechnologies/tyk-helm-chart/compare/v0.14.3...HEAD)
+## [v0.15.0](https://github.com/TykTechnologies/tyk-helm-chart/tree/v0.15.0)
+[Full Changelog](https://github.com/TykTechnologies/tyk-helm-chart/compare/v0.14.3...v0.15.0)
+
+**Updated**
+- Deprecated charts.
 
 ## [v0.14.3](https://github.com/TykTechnologies/tyk-helm-chart/tree/v0.14.3)
-[v0.14.3](https://github.com/TykTechnologies/tyk-helm-chart/compare/v0.14.2...v0.14.3)
+[Full Changelog](https://github.com/TykTechnologies/tyk-helm-chart/compare/v0.14.2...v0.14.3)
 - Fixed a bug regarding mounting default certs
 
 ## [v0.14.2](https://github.com/TykTechnologies/tyk-helm-chart/tree/v0.14.2)
-[v0.14.2](https://github.com/TykTechnologies/tyk-helm-chart/compare/v0.14.1...v0.14.2)
+[Full Changelog](https://github.com/TykTechnologies/tyk-helm-chart/compare/v0.14.1...v0.14.2)
 
 **Updated**
 - Make bootstrap job image and tag configurable