chore: update changelog for 1.18.0

CHANGELOG.md

@@ -1,5 +1,6 @@
 # Table of Contents
 
+- [v1.18.0](#v1180)
 - [v1.17.3](#v1173)
 - [v1.17.2](#v1172)
 - [v1.17.1](#v1171)
@@ -51,6 +52,16 @@
 - [v0.2.0](#v020)
 - [v0.1.0](#v010)
 
+## [v1.18.0]
+
+> Release date: 2023/02/09
+
+### Add
+
+- Remove deprecated endpoint for pinging Konnect so
+  to add Konnect System Accounts access token support.
+  [#843](https://github.com/Kong/deck/pull/843)
+
 ## [v1.17.3]
 
 > Release date: 2023/02/08
@@ -1142,6 +1153,8 @@ No breaking changes have been introduced in this release.
 
 Debut release of decK
 
+[v1.18.0]: https://github.com/kong/deck/compare/v1.17.3...v1.18.0
+[v1.17.3]: https://github.com/kong/deck/compare/v1.17.2...v1.17.3
 [v1.17.2]: https://github.com/kong/deck/compare/v1.17.1...v1.17.2
 [v1.17.1]: https://github.com/kong/deck/compare/v1.17.0...v1.17.1
 [v1.17.0]: https://github.com/kong/deck/compare/v1.16.1...v1.17.0