chore(deps): update plugin com.diffplug.spotless to v8.2.1

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

gradle/verification-metadata.xml

@@ -192,6 +192,7 @@
             <trusting group="org.eclipse.platform" name="org.eclipse.osgi" version="3.23.0"/>
             <trusting group="org.eclipse.platform" name="org.eclipse.osgi" version="3.23.100"/>
             <trusting group="org.eclipse.platform" name="org.eclipse.osgi" version="3.23.200"/>
+            <trusting group="org.eclipse.platform" name="org.eclipse.osgi" version="3.24.0"/>
          </trusted-key>
          <trusted-key id="A31DDE881C3E3C4C985BD0D02C7F998F4272C851" group="com.diffplug.spotless"/>
          <trusted-key id="A413F67D71BEEC23ADD0CE0ACB43338E060CF9FA">
@@ -8080,6 +8081,11 @@
             <sha256 value="58b0b4ed49b3b19072b55c7111c0991a07f9b6d20709af8aa470c714114afbfb" origin="Generated by Gradle" reason="Artifact is not signed"/>
          </artifact>
       </component>
+      <component group="com.diffplug.spotless" name="com.diffplug.spotless.gradle.plugin" version="8.2.1">
+         <artifact name="com.diffplug.spotless.gradle.plugin-8.2.1.pom">
+            <sha256 value="306b777dc39f44fec62b50bdefe41b716beb0fd7cd3f81572273a134c2e155b9" origin="Generated by Gradle" reason="Artifact is not signed"/>
+         </artifact>
+      </component>
       <component group="com.diffplug.spotless" name="spotless-lib" version="3.0.2">
          <artifact name="spotless-lib-3.0.2.jar">
             <sha256 value="3f9a7fdfc5b03ac20894834170910c15c4f2b84ed4ce3677898a307ad589837c" origin="Generated by Gradle"/>

library/build.gradle

@@ -29,7 +29,7 @@ buildscript {
 }
 
 plugins {
-    id "com.diffplug.spotless" version "8.1.0"
+    id "com.diffplug.spotless" version "8.2.1"
     id 'org.jetbrains.kotlin.plugin.serialization' version '2.3.10'
 }