Merge pull request #144 from Yubico/dependabot/gradle/com.diffplug.spotless-spotless-plugin-gradle-5.15.2

Bump spotless-plugin-gradle from 5.15.1 to 5.15.2

Author: emlun

build.gradle

@@ -4,7 +4,7 @@ buildscript {
   }
   dependencies {
     classpath 'com.cinnober.gradle:semver-git:2.5.0'
-    classpath 'com.diffplug.spotless:spotless-plugin-gradle:5.15.1'
+    classpath 'com.diffplug.spotless:spotless-plugin-gradle:5.15.2'
     classpath 'io.github.cosmicsilence:gradle-scalafix:0.1.8'
   }
 }