build(deps): bump github.com/steadybit/extension-kit from 1.8.8 to 1.8.9

Bumps [github.com/steadybit/extension-kit](https://github.com/steadybit/extension-kit) from 1.8.8 to 1.8.9.
- [Changelog](https://github.com/steadybit/extension-kit/blob/main/CHANGELOG.md)
- [Commits](steadybit/extension-kit@v1.8.8...v1.8.9)

---
updated-dependencies:
- dependency-name: github.com/steadybit/extension-kit
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

go.mod

@@ -12,7 +12,7 @@ require (
 	github.com/steadybit/action-kit/go/action_kit_api/v2 v2.7.3
 	github.com/steadybit/action-kit/go/action_kit_sdk v1.1.7
 	github.com/steadybit/discovery-kit/go/discovery_kit_api v1.4.2
-	github.com/steadybit/extension-kit v1.8.8
+	github.com/steadybit/extension-kit v1.8.9
 )
 
 // Workaround for https://github.com/testcontainers/testcontainers-go/issues/1359

go.sum

@@ -265,8 +265,8 @@ github.com/steadybit/discovery-kit/go/discovery_kit_api v1.4.2 h1:xWgCtshETS11ix
 github.com/steadybit/discovery-kit/go/discovery_kit_api v1.4.2/go.mod h1:bcDdLYjTxUYyIvQ/Uz4GjHU7Io+VGFM8Oi2zoveTp08=
 github.com/steadybit/discovery-kit/go/discovery_kit_commons v0.1.0 h1:g4PjxmmUdHKJQ4FJ9evrIHKm5qgN2r3Rd8AJjiZZ2kI=
 github.com/steadybit/discovery-kit/go/discovery_kit_commons v0.1.0/go.mod h1:Gg/S2hwxxZsYoXaFvyLkpqHmir2GVrN8nE7FWki9afQ=
-github.com/steadybit/extension-kit v1.8.8 h1:sYeIHUXMhEC7dESfIzpbtwro4cTqzdl8gRg1/lH7CH0=
-github.com/steadybit/extension-kit v1.8.8/go.mod h1:nnBMoTk1+M2svfWE14nys5/12bixWe8TQdaxMZXd3Hg=
+github.com/steadybit/extension-kit v1.8.9 h1:EzJ9FV30jQ8KuljUWtKnCQUJAQySWOqPaN3zoYUMlvM=
+github.com/steadybit/extension-kit v1.8.9/go.mod h1:FnG1+FWYm0+WAgvASpnksXj2GnBY4vrc+qJi7V6tlC8=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=