Bump me.champeau.gradle:japicmp-gradle-plugin from 0.4.2 to 0.4.3 (#5212)

Bumps me.champeau.gradle:japicmp-gradle-plugin from 0.4.2 to 0.4.3.

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

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -185,5 +185,5 @@ plugin-nebulaInfo = { module = "com.netflix.nebula:gradle-info-plugin", version
 plugin-noHttp = { module = "io.spring.nohttp:nohttp-gradle", version = "0.0.11" }
 plugin-nexusPublish = { module = "io.github.gradle-nexus:publish-plugin", version = "1.3.0" }
 plugin-javaformat = { module = "io.spring.javaformat:spring-javaformat-gradle-plugin", version.ref = "spring-javaformat" }
-plugin-japicmp = { module = "me.champeau.gradle:japicmp-gradle-plugin", version = "0.4.2" }
+plugin-japicmp = { module = "me.champeau.gradle:japicmp-gradle-plugin", version = "0.4.3" }
 plugin-downloadTask = { module = "de.undercouch:gradle-download-task", version = "5.5.0" }