Bump com.diffplug.spotless:spotless-plugin-gradle from 8.0.0 to 8.1.0

Bumps [com.diffplug.spotless:spotless-plugin-gradle](https://github.com/diffplug/spotless) from 8.0.0 to 8.1.0.
- [Release notes](https://github.com/diffplug/spotless/releases)
- [Changelog](https://github.com/diffplug/spotless/blob/main/CHANGES.md)
- [Commits](diffplug/spotless@gradle/8.0.0...gradle/8.1.0)

---
updated-dependencies:
- dependency-name: com.diffplug.spotless:spotless-plugin-gradle
  dependency-version: 8.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

buildSrc/build.gradle.kts

@@ -2,7 +2,7 @@ plugins {
   `java-gradle-plugin`
   `kotlin-dsl`
   // When updating, update below in dependencies too
-  id("com.diffplug.spotless") version "8.0.0"
+  id("com.diffplug.spotless") version "8.1.0"
 }
 
 spotless {
@@ -30,7 +30,7 @@ dependencies {
   implementation(gradleApi())
 
   // When updating, update above in plugins too
-  implementation("com.diffplug.spotless:spotless-plugin-gradle:8.0.0")
+  implementation("com.diffplug.spotless:spotless-plugin-gradle:8.1.0")
   implementation("com.github.spotbugs.snom:spotbugs-gradle-plugin:6.3.0")
   implementation("com.gradleup.shadow:shadow-gradle-plugin:8.3.9")