Gradle: Bump com.diffplug.spotless from 7.0.3 to 8.0.0

Bumps com.diffplug.spotless from 7.0.3 to 8.0.0.

---
updated-dependencies:
- dependency-name: com.diffplug.spotless
  dependency-version: 8.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

build.gradle.kts

@@ -8,7 +8,7 @@ import org.gradle.kotlin.dsl.implementation
 plugins {
   val kotlinVersion = "2.0.21"
   kotlin("jvm") version kotlinVersion
-  id("com.diffplug.spotless") version "7.0.3"
+  id("com.diffplug.spotless") version "8.0.0"
   id("org.springframework.boot") version "3.4.4" apply false
   id("io.gitlab.arturbosch.detekt") version "1.23.8"
   id("pl.allegro.tech.build.axion-release") version "1.18.18"