Merge pull request #382 from yuzawa-san/dependabot/gradle/com.diffplug.spotless-8.3.0

Bump com.diffplug.spotless from 8.2.1 to 8.3.0

Author: yuzawa-san

build.gradle

@@ -1,5 +1,5 @@
 plugins {
-	id "com.diffplug.spotless" version "8.2.1"
+	id "com.diffplug.spotless" version "8.3.0"
 	id 'java'
 	id 'maven-publish'
 	id 'signing'