Bump kotlinVersion from 2.0.20 to 2.0.21 (#514)

* Bump kotlinVersion from 2.0.20 to 2.0.21

Bumps `kotlinVersion` from 2.0.20 to 2.0.21.

Updates `jvm` from 2.0.20 to 2.0.21
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](https://github.com/JetBrains/kotlin/commits)

Updates `plugin.spring` from 2.0.20 to 2.0.21
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](https://github.com/JetBrains/kotlin/commits)

Updates `plugin.jpa` from 2.0.20 to 2.0.21
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](https://github.com/JetBrains/kotlin/commits)

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

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

* Bumper spring boot

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Stig Strøm <[email protected]>

build.gradle.kts

@@ -4,8 +4,8 @@ val mainClass = "no.nav.familie.ba.infotrygd.Main"
 
 
 plugins {
-    val kotlinVersion = "2.0.20"
-    val springBootVersion = "3.3.0"
+    val kotlinVersion = "2.0.21"
+    val springBootVersion = "3.3.4"
     id("org.springframework.boot") version springBootVersion
     id("io.spring.dependency-management") version "1.1.6"
     kotlin("jvm") version kotlinVersion