Bump org.springframework.boot from 2.7.0 to 3.1.4

Bumps [org.springframework.boot](https://github.com/spring-projects/spring-boot) from 2.7.0 to 3.1.4.
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v2.7.0...v3.1.4)

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

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

build.gradle

@@ -3,7 +3,7 @@ import org.gradle.api.tasks.testing.logging.TestExceptionFormat
 import org.gradle.api.tasks.testing.logging.TestLogEvent
 
 plugins {
-    id 'org.springframework.boot' version '2.7.0'
+    id 'org.springframework.boot' version '3.1.4'
     id 'io.spring.dependency-management' version '1.0.12.RELEASE'
     id 'groovy'
     id 'application'