Bump spotlessPlugin from 8.4.0 to 8.5.1 (#55)

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -22,7 +22,7 @@ springBoot = "3.5.6"
 # https://central.sonatype.com/artifact/com.github.spotbugs/spotbugs-annotations/versions
 spotbugsAnnotations = "4.9.8"
 # https://github.com/diffplug/spotless/releases
-spotlessPlugin = "8.4.0"
+spotlessPlugin = "8.5.1"
 # https://github.com/gradle-nexus/publish-plugin/releases/
 nexusPublishPlugin = "2.0.0"