Bump me.champeau.gradle.japicmp from 0.4.1 to 0.4.6

Bumps me.champeau.gradle.japicmp from 0.4.1 to 0.4.6.

---
updated-dependencies:
- dependency-name: me.champeau.gradle.japicmp
  dependency-version: 0.4.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

build.gradle

@@ -13,7 +13,7 @@ plugins {
     id 'java'
     id 'java-library'
     id 'jacoco'
-    id 'me.champeau.gradle.japicmp' version '0.4.1'
+    id 'me.champeau.gradle.japicmp' version '0.4.6'
     id 'io.github.gradle-nexus.publish-plugin' version '2.0.0'
 }