build: Bump spotless to 8.2.1

Includes diffplug/spotless#2788

Author: bric3

build.gradle.kts

@@ -11,7 +11,7 @@ plugins {
   id("dd-trace-java.config-inversion-linter")
   id("dd-trace-java.ci-jobs")
 
-  id("com.diffplug.spotless") version "8.1.0"
+  id("com.diffplug.spotless") version "8.2.1"
   id("me.champeau.gradle.japicmp") version "0.4.3"
   id("com.github.spotbugs") version "6.4.8"
   id("de.thetaphi.forbiddenapis") version "3.10"

buildSrc/build.gradle.kts

@@ -3,7 +3,7 @@ plugins {
   `java-gradle-plugin`
   `kotlin-dsl`
   `jvm-test-suite`
-  id("com.diffplug.spotless") version "8.1.0"
+  id("com.diffplug.spotless") version "8.2.1"
 }
 
 // The buildSrc still needs to target Java 8 as build time instrumentation and muzzle plugin

buildSrc/call-site-instrumentation-plugin/build.gradle.kts

@@ -1,7 +1,7 @@
 plugins {
   java
   groovy
-  id("com.diffplug.spotless") version "8.1.0"
+  id("com.diffplug.spotless") version "8.2.1"
   id("com.gradleup.shadow") version "8.3.9"
 }