chore(deps): bump com.diffplug.spotless from 6.25.0 to 8.1.0

Bumps com.diffplug.spotless from 6.25.0 to 8.1.0.

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

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

Author: dependabot[bot]

build.gradle

@@ -7,7 +7,7 @@ import org.gradle.jvm.toolchain.JavaToolchainService
 
 plugins {
     id 'base'
-    id 'com.diffplug.spotless' version '6.25.0' apply false
+    id 'com.diffplug.spotless' version '8.1.0' apply false
 }
 
 ext {