Bump kotlinVersion from 1.8.0 to 2.0.0

Bumps `kotlinVersion` from 1.8.0 to 2.0.0.

Updates `jvm` from 1.8.0 to 2.0.0
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.8.0...v2.0.0)

Updates `plugin.spring` from 1.8.0 to 2.0.0
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.8.0...v2.0.0)

Updates `plugin.jpa` from 1.8.0 to 2.0.0
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.8.0...v2.0.0)

---
updated-dependencies:
- dependency-name: jvm
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: plugin.spring
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: plugin.jpa
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

build.gradle.kts

@@ -1,6 +1,6 @@
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 plugins {
-    val kotlinVersion = "1.8.0"
+    val kotlinVersion = "2.0.0"
 
     id("org.springframework.boot") version "2.7.5"
     id("io.spring.dependency-management") version "1.1.0"