Bump org.springframework.boot from 3.0.0 to 3.1.1

Bumps [org.springframework.boot](https://github.com/spring-projects/spring-boot) from 3.0.0 to 3.1.1.
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.0.0...v3.1.1)

---
updated-dependencies:
- dependency-name: org.springframework.boot
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

build.gradle.kts

@@ -24,7 +24,7 @@ plugins {
     kotlin("jvm") version "1.7.22"
     kotlin("plugin.spring") version "1.7.22"
     id("com.netflix.dgs.codegen") version "5.11.1"
-    id("org.springframework.boot") version "3.0.0"
+    id("org.springframework.boot") version "3.1.1"
 }
 
 group = "com.example"