Bump me.champeau.gradle.japicmp from 0.4.2 to 0.4.3 (#3278)

Bumps me.champeau.gradle.japicmp from 0.4.2 to 0.4.3.

---
updated-dependencies:
- dependency-name: me.champeau.gradle.japicmp
  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>

build.gradle

@@ -36,7 +36,7 @@ plugins {
 	id 'io.spring.nohttp' version '0.0.11'
 	id 'com.github.johnrengelman.shadow' version '8.1.1' apply false
 	//we now need version of Artifactory gradle plugin deployed on Maven Central, see above
-	id 'me.champeau.gradle.japicmp' version '0.4.2' apply false
+	id 'me.champeau.gradle.japicmp' version '0.4.3' apply false
 	id 'de.undercouch.download' version '5.6.0' apply false
 	id 'io.spring.javadoc' version '0.0.1' apply false
 	id 'io.spring.javadoc-aggregate' version '0.0.1' apply false