Bump ktor from 2.3.8 to 2.3.9

Bumps `ktor` from 2.3.8 to 2.3.9.

Updates `io.ktor:ktor-client-core` from 2.3.8 to 2.3.9
- [Release notes](https://github.com/ktorio/ktor/releases)
- [Changelog](https://github.com/ktorio/ktor/blob/2.3.9/CHANGELOG.md)
- [Commits](ktorio/ktor@2.3.8...2.3.9)

Updates `io.ktor:ktor-client-content-negotiation` from 2.3.8 to 2.3.9
- [Release notes](https://github.com/ktorio/ktor/releases)
- [Changelog](https://github.com/ktorio/ktor/blob/2.3.9/CHANGELOG.md)
- [Commits](ktorio/ktor@2.3.8...2.3.9)

---
updated-dependencies:
- dependency-name: io.ktor:ktor-client-core
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: io.ktor:ktor-client-content-negotiation
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

gradle/libs.versions.toml

@@ -15,7 +15,7 @@ kaml = "0.57.0"
 kmongo = "4.11.0"
 kordex = "1.8.0-SNAPSHOT"
 kotlintest = "3.4.2"
-ktor = "2.3.8"
+ktor = "2.3.9"
 kx-ser = "1.6.3"
 logback = "1.5.1"
 logback-groovy = "1.14.5"