Bump plugin.spring from 1.9.22 to 1.9.23

Bumps [plugin.spring](https://github.com/JetBrains/kotlin) from 1.9.22 to 1.9.23.
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/v1.9.23/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.9.22...v1.9.23)

---
updated-dependencies:
- dependency-name: plugin.spring
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

build.gradle.kts

@@ -5,7 +5,7 @@ plugins {
     id("io.spring.dependency-management") version "1.1.4"
     id("org.jlleitschuh.gradle.ktlint") version "11.6.0"
     kotlin("jvm") version "1.9.23"
-    kotlin("plugin.spring") version "1.9.22"
+    kotlin("plugin.spring") version "1.9.23"
 }
 
 group = "no.nav.syfo"