Update com.diffplug.spotless to v8.8.0

Author: renovate[bot]

build-logic/jvm/build.gradle.kts

@@ -9,7 +9,7 @@ repositories {
 dependencies {
     implementation(project(":basics"))
     implementation(project(":build-parameters"))
-    implementation("com.diffplug.spotless:com.diffplug.spotless.gradle.plugin:8.6.0")
+    implementation("com.diffplug.spotless:com.diffplug.spotless.gradle.plugin:8.8.0")
     implementation("com.github.vlsi.gradle-extensions:com.github.vlsi.gradle-extensions.gradle.plugin:3.0.2")
     implementation("de.thetaphi.forbiddenapis:de.thetaphi.forbiddenapis.gradle.plugin:3.10")
     implementation("org.jetbrains.kotlin:kotlin-gradle-plugin")

build.gradle.kts

@@ -7,7 +7,7 @@ plugins {
     // The Kotlin Gradle plugin was loaded multiple times in different subprojects, which is not supported and may break the build.
     `embedded-kotlin` apply false
     // The Spotless plugin uses a shared build service. Load it at the root project level to avoid classloader collision in subprojects.
-    id("com.diffplug.spotless") version "8.6.0" apply false
+    id("com.diffplug.spotless") version "8.8.0" apply false
 }
 
 val calculatedVersion = property("version") as String + (if (hasProperty("release")) "" else "-SNAPSHOT")