build(deps): bump com.diffplug.spotless from 5.17.1 to 6.1.0 (#1892)

* build(deps): bump com.diffplug.spotless from 5.17.1 to 6.1.0

Bumps com.diffplug.spotless from 5.17.1 to 6.1.0.

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

Signed-off-by: dependabot[bot] <support@github.com>

* build: fix the version of Eclipse JDT to avoid IllegalArgumentException

refs #1892

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Kengo TODA <skypencil+github@gmail.com>

build.gradle

@@ -1,6 +1,6 @@
 plugins {
   id "org.sonarqube" version "3.3"
-  id "com.diffplug.spotless" version "5.17.1"
+  id "com.diffplug.spotless" version "6.1.0"
   id "org.gradle.crypto.checksum" version "1.2.0"
   id "com.github.spotbugs" version "5.0.3"
   id "io.github.gradle-nexus.publish-plugin" version "1.1.0"

gradle/spotless.gradle

@@ -3,7 +3,7 @@ apply plugin: "com.diffplug.spotless"
 spotless {
   java {
     removeUnusedImports()
-    eclipse().configFile "${rootProject.projectDir}/gradle/eclipse-formatter.xml"
+    eclipse("4.13.0").configFile "${rootProject.projectDir}/gradle/eclipse-formatter.xml"
     endWithNewline()
     lineEndings 'UNIX'
   }