Update dependency com.diffplug.spotless:spotless-plugin-gradle to v8 (#157)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

gradle/plugins/build.gradle.kts

@@ -4,7 +4,7 @@ repositories { gradlePluginPortal() }
 
 dependencies {
     implementation("com.autonomousapps:dependency-analysis-gradle-plugin:3.0.4")
-    implementation("com.diffplug.spotless:spotless-plugin-gradle:7.2.1")
+    implementation("com.diffplug.spotless:spotless-plugin-gradle:8.0.0")
     implementation("com.gradle:develocity-gradle-plugin:4.2")
     implementation("io.fuchs.gradle.classpath-collision-detector:classpath-collision-detector:1.0.0")
     implementation("org.cyclonedx:cyclonedx-gradle-plugin:2.4.1")