Bump plugin.spring from 1.8.21 to 1.9.0

Bumps [plugin.spring](https://github.com/JetBrains/kotlin) from 1.8.21 to 1.9.0.
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.8.21...v1.9.0)

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

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

Author: dependabot[bot]

build.gradle.kts

@@ -4,7 +4,7 @@ plugins {
 	id("org.springframework.boot") version "3.1.2"
 	id("io.spring.dependency-management") version "1.1.2"
 	kotlin("jvm") version "1.8.21"
-	kotlin("plugin.spring") version "1.8.21"
+	kotlin("plugin.spring") version "1.9.0"
 	id("io.gitlab.arturbosch.detekt").version("1.23.0") // This is to add detekt
 	`maven-publish`
 }