Bump com.github.siom79.japicmp:japicmp-maven-plugin (#669)

Bumps [com.github.siom79.japicmp:japicmp-maven-plugin](https://github.com/siom79/japicmp) from 0.18.0 to 0.18.1.
- [Release notes](https://github.com/siom79/japicmp/releases)
- [Changelog](https://github.com/siom79/japicmp/blob/master/release.py)
- [Commits](siom79/japicmp@japicmp-base-0.18.0...japicmp-base-0.18.1)

---
updated-dependencies:
- dependency-name: com.github.siom79.japicmp:japicmp-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
(cherry picked from commit d96e8aa)

pom.xml

@@ -193,7 +193,7 @@
 		<version.maven-site-plugin>4.0.0-M9</version.maven-site-plugin>
 		<version.maven-surefire>3.1.2</version.maven-surefire>
 		<build-helper-maven-plugin.version>3.4.0</build-helper-maven-plugin.version>
-		<japicmp-maven-plugin.version>0.18.0</japicmp-maven-plugin.version>
+		<japicmp-maven-plugin.version>0.18.1</japicmp-maven-plugin.version>
 		<maven-archetype-plugin.version>3.2.1</maven-archetype-plugin.version>
 		<maven-bundle-plugin.version>5.1.9</maven-bundle-plugin.version>
 		<maven-eclipse-plugin.version>2.10</maven-eclipse-plugin.version>