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

@@ -16,7 +16,7 @@ dependencies {
     implementation("com.github.docker-java:docker-java-api:$dockerJavaVersion")
     implementation("com.github.docker-java:docker-java-core:$dockerJavaVersion")
     implementation("com.bmuschko:gradle-docker-plugin:9.4.0")
-    implementation("com.diffplug.spotless:spotless-plugin-gradle:8.0.0")
+    implementation("com.diffplug.spotless:spotless-plugin-gradle:8.1.0")
     implementation("com.gradleup.shadow:shadow-gradle-plugin:9.2.2")
     implementation("com.github.node-gradle:gradle-node-plugin:7.1.0")
     implementation("com.google.protobuf:protobuf-gradle-plugin:0.9.5")